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A102540 Primes that are not Chen primes (seeA109611). 12
43, 61, 73, 79, 97, 103, 151, 163, 173, 193, 223, 229, 241, 271, 277, 283, 313, 331, 349, 367, 373, 383, 397, 421, 433, 439, 457, 463, 523, 547, 593, 601, 607, 613, 619, 643, 661, 673, 691, 709, 727, 733, 739, 757, 773, 823, 853, 859, 883, 907, 929, 967, 997 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics,Chen Prime
PROG
(PARI) n=0; for(j=1, 1994, if(bigomega(prime(j)+2)>2, n++; write( "b102540.txt", n "" prime(j)))) /*Donovan Johnson,Apr 29 2013 */
CROSSREFS
KEYWORD
nonn
AUTHOR
Wilfredo Lopez (chakotay147138274(AT)yahoo.com), Aug 14 2005
EXTENSIONS
More terms from Robert Happelberg (roberthappelberg(AT)yahoo.com), Aug 16 2005
STATUS
approved

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Last modified September 4 09:09 EDT 2024. Contains 375681 sequences. (Running on oeis4.)