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A005865
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The coding-theoretic function A(n,6).
(Formerly M0240)
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3
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1, 1, 1, 1, 1, 2, 2, 2, 4, 6, 12, 24, 32, 64, 128, 256
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OFFSET
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1,6
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COMMENTS
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Since A(n,5) = A(n+1,6), A(n,5) gives essentially the same sequence.
The next term is known only to be in the range 258-340. - Moshe Milshtein, Apr 24 2019
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REFERENCES
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J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 248.
F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 674.
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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CROSSREFS
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KEYWORD
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nonn,hard,nice
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AUTHOR
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STATUS
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approved
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