Index to OEIS: Section Ch

Index toOEIS:Section Ch

---

• This is a section of the Index to theOEIS®.
• For further information see the mainIndex to OEISpage.
• Please readIndex: Instructions For Updating Index to OEISbefore making changes to this page.
• If you did not find what you were looking for in this Index, you can alwayssearch the databasefor a particular word or phrase.
• Full list of sections:

[ Aa| Ab| Al| Am| Ap| Ar| Ba| Be| Bi| Bl| Bo| Br| Ca| Ce| Ch| Cl| Coa| Coi| Com| Con| Cor| Cu| Cy| Da| De| Di| Do| Ea| Ed| El| Eu| Fa| Fe| Fi| Fo| Fu| Ga| Ge| Go| Gra| Gre| Ha| He| Ho| Ia| In| J| K| La| Lc| Li| Lo| Lu| M| Mag| Map| Mat| Me| Mo| Mu| N| Na| Ne| Ni| No| Nu| O| Pac| Par| Pas| Pea| Per| Ph| Poi| Pol| Pos| Pow| Pra| Pri| Pro| Ps| Qua| Que| Ra| Rea| Rel| Res| Ro| Ru| Sa| Se| Si| Sk| So| Sp| Sq| St| Su| Sw| Ta| Te| Th| To| Tra| Tri| Tu| U| V| Wa| We| Wi| X| Y| Z| 1| 2| 3| 4 ]

---

Chacon sequences:A049320*,A049321*
Chains::A007047,A005603,A005602
challenge problems, seesequences that need extending

Champernowne, sequences related to:

Champernowne constant:A033307*,A030167*,A058068,A058069,A007376,A033308

Champernowne sequence:A030190*,A030302

change, making: seemaking change
change ringing: seebell ringing
character tables: see alsodegrees of irreducible representations

characteristic functions, sequences related to:

characteristic functions (000): char fn where where name of "chi_n=1"

characteristic functions (001): chi chi_n=1 chi_n=0

characteristic functions (002):A000007A000004A000027all 0

characteristic functions (003):A000012A001477[empty] natural numbers

characteristic functions (004):A000035A005408A005843odd numbers

characteristic functions (005):A003849A003622A022342

characteristic functions (006):A004641A086377A081477

characteristic functions (007):A005171A018252A000040nonprimes

characteristic functions (008):A005369A002378A078358pronic numbers

characteristic functions (009):A005614A022342A003622

characteristic functions (010):A008966A005117A013929squarefree

characteristic functions (011):A010051A000040A018252primes

characteristic functions (012):A010052A000290A000037squares

characteristic functions (013):A010054A000217A014132triangular numbers

characteristic functions (014):A010055A000961A024619prime powers

characteristic functions (015):A010056A000045A001690Fibonacci numbers

characteristic functions (016):A010057A000578A007412cubes

characteristic functions (017):A010058A000108A092459Catalan numbers

characteristic functions (018):A010059A001969A000069evil numbers

characteristic functions (019):A010060A000069A001969odious numbers

characteristic functions (020):A011655A001651A008585not mult 3

characteristic functions (021):A012245A000142A063992factorials

characteristic functions (022):A014306A145397A000292m(m+1)(m+2)6

characteristic functions (023):A014578A007417A145204

characteristic functions (024):A020987A022155NA

characteristic functions (025):A023531A000096A007401m(m+3)2

characteristic functions (026):A023533A000292A145397m(m+1)(m+2)6

characteristic functions (027):A033683A104777NA odd squares mod 3 > 0

characteristic functions (028):A033684A135556NA squares mod 3 > 0

characteristic functions (029):A035263A003159A036554

characteristic functions (030):A036987A000225NA

characteristic functions (031):A038189A091067A091072

characteristic functions (033):A057427A000027A000004positive numbers

characteristic functions (034):A059448A059009A059010

characteristic functions (035):A059841A005843A005408even numbers

characteristic functions (036):A063524A000012A087156all 1

characteristic functions (037):A064911A001358A100959semiprimes

characteristic functions (038):A065043A028260A026424even number of prime factors

characteristic functions (039):A065202A065201A065200

characteristic functions (040):A065333A003586A0594853-smooth

characteristic functions (041):A066247A002808A008578composite numbers

characteristic functions (042):A066829A026424A028260odd number of prime factors

characteristic functions (043):A072401A004215NA of the form 4^m*(8k+7)

characteristic functions (044):A075802A001597A007916perfect powers

characteristic functions (045):A075897A048645NA

characteristic functions (046):A079260A002144A137409primes of form 4n+1

characteristic functions (047):A079261A002145A145395primes of form 4n+3

characteristic functions (048):A079978A008585A001651mult 3

characteristic functions (049):A079979A008588A047253mult 6

characteristic functions (050):A079998A008587A047201mult 5

characteristic functions (051):A080110A080112A080113

characteristic functions (052):A080111A080113A080112

characteristic functions (053):A080116A014486NA

characteristic functions (054):A080339A008578A002808{1} union {primes}

characteristic functions (055):A080545A006005A065090{1} union {odd primes}

characteristic functions (056):A080995A001318A118300gen. pentagonal numbers

characteristic functions (057):A082784A008589A047304mult 7

characteristic functions (058):A083187A002379NA [ 3^n 2^n ]

characteristic functions (059):A083923A057548NA

characteristic functions (060):A083924A072795NA

characteristic functions (061):A085357A003714A004780Fibbinary numbers

characteristic functions (062):A086299A002473A0681917-smooth

characteristic functions (063):A088517A001463NA

characteristic functions (064):A089011A005763NA Weyl

characteristic functions (065):A091225A014580NA

characteristic functions (066):A091247A091242NA

characteristic functions (067):A092248A030230A030231even number of distinct prime factors

characteristic functions (068):A093709A028982A028983squares or twice squares

characteristic functions (069):A093719A047273A047235(mod 2)^(mod 3)

characteristic functions (070):A095076A020899A095096

characteristic functions (071):A095111A095096A020899

characteristic functions (072):A098108A016754NA

characteristic functions (073):A099104A066680NA badly sieved numbers

characteristic functions (074):A099395A007283NA

characteristic functions (075):A101040NA NA not more than 2 prime factors

characteristic functions (076):A101605A014612NA exactly 3 prime factors

characteristic functions (077):A101637A014613NA exactly 4 prime factors

characteristic functions (078):A102460A000032NA Lucas numbers

characteristic functions (079):A103673A103676A103677(factorial)

characteristic functions (080):A103674A103678A103679(factorial)

characteristic functions (081):A103675A103680A103681(factorial)

characteristic functions (082):A105349A000129NA Pell numbers

characteristic functions (083):A107078A013929A005117non unitary divisors

characteristic functions (084):A112526A001694A052485powerful numbers

characteristic functions (085):A114986A000201A001950

characteristic functions (086):A118952A118957A118956

characteristic functions (087):A121262A008586A042968mult 4

characteristic functions (088):A122255A122254A048136

characteristic functions (089):A122257A005109A122259Pierpont primes

characteristic functions (090):A122261A122260NA mult. closure of Pierpont primes

characteristic functions (091):A122895A123240NA tau=Fibonacci

characteristic functions (092):A123927A119885NA tau=Lucas

characteristic functions (093):A130638A005237NA tau(n+1)=tau(n)

characteristic functions (094):A132138A002977A132142

characteristic functions (095):A133010NA NA

characteristic functions (096):A133011NA NA

characteristic functions (097):A133100A085787NA gen. heptagonal numbers

characteristic functions (098):A133101A057569NA

characteristic functions (099):A133872A042948A042964congruent 0 or 1 mod 4

characteristic functions (100):A136522A002113A029742palindrome

characteristic functions (101):A137794A073491A073492no prime gaps in fact

characteristic functions (102):A139689NA NA Chen

characteristic functions (103):A141260A141259NA

characteristic functions (104):A143731A024619A000961more than 1 prime factor

characteristic functions (105):A145649A000959A050505lucky numbers

characteristic functions (106):A156660A005384A138887Sophie Germain primes

characteristic functions (107):A156659A005385A156657safe primes

characteristic functions (108):A079559A005187A055938range ofA005187

characteristic functions (109):A151774A018900A161989numbers with binary weight 2

characteristic functions (110):A167392A000041A167376partition numbers

characteristic functions (111):A167393A000009A167377range ofA000009

characteristic functions (112):A168046A052382A011540zerofree numbers

characteristic functions (113):A166486A042968A008586not a multiple of 4

characteristic functions (114):A011558A047201A008587coprime to 5

characteristic functions (115):A097325A047253A008588not a multiple of 6

characteristic functions (116):A109720A047304A008589coprime to 7

characteristic functions (117):A168181A047592A008590not a multiple of 8

characteristic functions (118):A168182A168183A008591not a multiple of 9

characteristic functions (119):A168184A067251A008592not a multiple of 10

characteristic functions (120):A145568A160542A008593coprime to 11

characteristic functions (121):A168185A168186A008594not a multiple of 12

characteristic functions (122):A054521A169581A169581

characters of groups:A005368
characters, see also undersymmetric group
Chebycheff is spelledChebyshevthroughout
Chebychev is spelledChebyshevthroughout
Chebyshev function theta(n):A035158,A057872,A083535

Chebyshev polynomials, sequences related to:

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 1):A001792,A001793,A001794,A002698,A005583,A005584,A006974,A006975,A006976,A007701,A008310,A008311

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 2):A020537,A020538,A020539,A039991,A053120,A001105,A002415,A002492,A005585,A040977,A050486,A008314

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 3):A053347,A054322,A054323,A054324,A054325,A054326,A054327,A054328,A054329,A054330,A054331,A054332

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 4):A054333,A054334,A001653,A070997,A001091,A072256,A001075,A001541,A005248,A003501,A056854,A056918

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 5):A057076,A001079,A023038,A011943,A023039,A001081,A001085,A077235,A077236,A077237,A077238,A077239

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 6):A077240,A077242,A077244,A077246,A077248,A077250,A077409,A077411,A001570,A001835,A056771,A077417

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 7):A077420,A077422,A077424,A077428,A078356,A078363,A078365,A078367,A078369,A000129,A001333,A001076

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 8):A001077,A005667,A005668,A041025,A078986

Chebyshev polynomials of the first kind (T- or C- polynomials) ( 9):A090733,A090248,A090251,A001519,A097308-A097316,A097725-A097742,A097765-A097784,A097826-A097835

Chebyshev polynomials of the first kind (T- or C- polynomials) (10):A090729,A090731,A097837,A097838,A097840-A097845,A098244,A098246,A098247

Chebyshev polynomials of the first kind (T- or C- polynomials) (11):A098249,A098250,A098252,A098253,A098255,A098256,A098258,A098259,A098261,A098262,A098291,A098292,A078070,A004146,A007877,A054493,A011655,A011655,A049683

Chebyshev polynomials of the first kind (T- or C- polynomials) (12):A098249,A049684,A095004,A098296-A098299,A098300-A098310,A005386,A092936,A099270-A099273,A099275-A099279,A099365-A099374,A099368,A099397,A001108,A007598,A079291

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 1):A001787,A001788,A001789,A002605,A003472,A008312,A008313,A008315,A010892,A020540,A020541,A020542

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 2):A030195,A030191,A030221,A030192,A030240,A049310,A049347,A053117,A053118,A053119,A053121,A002700

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 3):A053122,A051323,A053124,A053125,A053126,A053127,A053128,A053129,A053130,A053131,A001653,A001109

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 4):A054450,A001090,A001353,A018913,A004187,A004254,A004189,A001834,A002878,A002315,A056594

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 5):A057076,A057077,A057078,A057079,A057080,A057081,A001906,A056854,A056918

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 6):A057083,A057084,A057085,A057086,A057087,A057088,A057089,A057090,A057091,A057092,A057093,A057094

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 7):A025170,A025171,A004190,A001653,A070997,A001091,A072256,A054320,A004189,A001075,A005248,A003501

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 8):A054491,A054488,A023038,A004191,A007655,A011943,A049660,A023039,A001081,A001085,A075843,A077234

Chebyshev polynomials of the second kind (U- or S- polynomials) ( 9):A077237,A077413,A077241,A077243,A077245,A077247,A077249,A077251,A077410,A077412

Chebyshev polynomials of the second kind (U- or S- polynomials) (10):A028230,A001835,A029547,A046176,A029548,A077416,A077418,A077420,A077421,A077422,A077423

Chebyshev polynomials of the second kind (U- or S- polynomials) (11):A077424,A077428,A078356,A078362,A078363,A078364,A078365,A078366,A078367,A078368,A078369

Chebyshev polynomials of the second kind (U- or S- polynomials) (12):A000129,A001333,A001076,A001077,A005667,A005668,A041025,A078986,A078987

Chebyshev polynomials of the second kind (U- or S- polynomials) (13):A092499,A090733,A090248,A090251,A001519,A078922,A092521,A092420,A076765,A076139,A049664

Chebyshev polynomials of the second kind (U- or S- polynomials) (14):A097726,A097727,A097729,A097730,A097732,A097733,A097735,A097736,A097738,A097739,A097741,A097742,A097766,A097767,A097769,A097770

Chebyshev polynomials of the second kind (U- or S- polynomials) (15):A090729,A090731,A097834-A097845,A098244-A098263,A098291,A098292,A078070,A004146,A007877,A099368,A041041,A052918,A054413,A054493,A098301,A007805,A049629

Chebyshev polynomials: see alsoA002680

checkers, sequences related to:

checkers:A055213,A133046,A133047

Chernoff sequence:A006939*,A051357

chess, sequences related to:

see also: thededicated pageChessof the OEIS wiki

chess, number of games:A048987*,A079485,A006494,A089956

chess, number of games: see alsoA007747,A007545,A007577

chess, number of diagrams:A019319*,A090051

(definition: position = position with castling anden passantinformation, diagram = position without castling anden passantinformation)

chess, number of positions:A083276*,A057745,A089957

chessboard, halving a:A003155
chessboard, quartering a:A006067,A003213
chessboard, number of squares:A000330
Chinese: see alsoIndex entries for sequences related to number of letters in n

chord diagrams, sequences related to:

chord diagrams: (1)A007293,A007473,A007474,A007769,A014595,A018191,A018192,A018193,A018225,A022489,A022490,A022491,A022492

chord diagrams: (2)A022493,A022494,A054499,A054938

chords in a circle:A001006,A054726,A006533,A000124
chords in a circle: see alsoIndex entries for sequences related to stained glass windows chords in a circle: see alsoPoonen-Rubinstein paper
Chowla sequence: seeMian-Chowla sequences
Chowla's function: sum of divisors excluding 1 and n:A048050*,A002954
chromatic number of graphs:A006670,A006671
chromatic number of surface:A000703*,A000934*,A059103

Chvatal conjecture, sequences related to:

Chvatal conjecture:A007008

circle of differences problem:A065677,A065678,A045794
circle problem:A057655*
circle product:A101330
circles, number of ways of arranging:A000081
circuits:A002631,A002632

---

• This is a section of the Index to theOEIS®.
• For further information see the mainIndex to OEISpage.
• Please readIndex: Instructions For Updating Index to OEISbefore making changes to this page.
• If you did not find what you were looking for in this Index, you can alwayssearch the databasefor a particular word or phrase.
• Full list of sections:

[ Aa| Ab| Al| Am| Ap| Ar| Ba| Be| Bi| Bl| Bo| Br| Ca| Ce| Ch| Cl| Coa| Coi| Com| Con| Cor| Cu| Cy| Da| De| Di| Do| Ea| Ed| El| Eu| Fa| Fe| Fi| Fo| Fu| Ga| Ge| Go| Gra| Gre| Ha| He| Ho| Ia| In| J| K| La| Lc| Li| Lo| Lu| M| Mag| Map| Mat| Me| Mo| Mu| N| Na| Ne| Ni| No| Nu| O| Pac| Par| Pas| Pea| Per| Ph| Poi| Pol| Pos| Pow| Pra| Pri| Pro| Ps| Qua| Que| Ra| Rea| Rel| Res| Ro| Ru| Sa| Se| Si| Sk| So| Sp| Sq| St| Su| Sw| Ta| Te| Th| To| Tra| Tri| Tu| U| V| Wa| We| Wi| X| Y| Z| 1| 2| 3| 4 ]

---