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A011984
Covering numbers C(n,6,4) (next term is <= 41).
0
5, 7, 12, 20, 32
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OFFSET
6,1
REFERENCES
CRC Handbook of Combinatorial Designs, 1996, p. 263.
LINKS
Table of n, a(n) for n=6..10.
D. Gordon,
La Jolla Repository of Coverings
Index entries for covering numbers
CROSSREFS
Sequence in context:
A373669
A247027
A020686
*
A280291
A195557
A063187
Adjacent sequences:
A011981
A011982
A011983
*
A011985
A011986
A011987
KEYWORD
nonn
,
more
,
hard
AUTHOR
N. J. A. Sloane
.
STATUS
approved
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Last modified September 15 04:39 EDT 2024. Contains 375931 sequences. (Running on oeis4.)