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A005851
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The coding-theoretic function A(n,8,5).
(Formerly M0268)
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3
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1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 6, 6, 7, 9, 12, 16, 21, 21, 23, 24, 30, 30
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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5,5
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REFERENCES
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CRC Handbook of Combinatorial Designs, 1996, p. 411.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Table of n, a(n) for n=5..26.
A. E. Brouwer, Bounds for binary constant weight codes
A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, New table of constant weight codes, IEEE Trans. Info. Theory 36 (1990), 1334-1380.
Alice Miller and Michael Codish, Graphs with girth at least 5 with orders between 20 and 32, arXiv:1708.06576 [math.CO], 2017.
Index entries for sequences related to A(n,d,w)
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CROSSREFS
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Cf. A005852: A(n,8,6), A005853: A(n,8,7), A004043: A(n,8,8).
Cf. A005866: A(n,8).
Sequence in context: A341455 A341457 A341460 * A275247 A293440 A237121
Adjacent sequences: A005848 A005849 A005850 * A005852 A005853 A005854
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KEYWORD
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nonn,hard
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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The version in the Encyclopedia of Integer Sequences had 1 instead of 2 at n=9.
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STATUS
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approved
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