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Search: id:A005865
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| A005865 |
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The coding-theoretic function A(n,6).
(Formerly M0240)
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+0
3
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| 1, 1, 1, 1, 1, 2, 2, 2, 4, 6, 12, 24, 32, 64, 128, 256
(list; graph; listen)
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OFFSET
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1,6
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COMMENT
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Since A(n,5) = A(n+1,6), A(n,5) gives essentially the same sequence.
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REFERENCES
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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.
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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S. Litsyn, E. M. Rains and N. J. A. Sloane, A(n,d) tables.
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to A(n,d)
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CROSSREFS
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Cf. A005864, A005866.
Sequence in context: A064355 A000799 A063823 this_sequence A153988 A098705 A029866
Adjacent sequences: A005862 A005863 A005864 this_sequence A005866 A005867 A005868
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KEYWORD
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nonn,hard,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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The next term is only known to be in the range 256-340.
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