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A005859 The coding-theoretic function A(n,12,9).
(Formerly M0236)
0
1, 1, 1, 1, 1, 1, 2, 2, 2, 4, 4, 5, 7, 8, 10, 16, 25 (list; graph; refs; listen; history; text; internal format)
OFFSET

9,7

REFERENCES

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).

LINKS

Table of n, a(n) for n=9..25.

A. E. Brouwer, Bounds for binary constant weight codes

Index entries for sequences related to A(n,d,w)

CROSSREFS

Sequence in context: A035576 A272397 A239729 * A274143 A166271 A237520

Adjacent sequences:  A005856 A005857 A005858 * A005860 A005861 A005862

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 6 19:52 EDT 2021. Contains 343586 sequences. (Running on oeis4.)