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A169763 The coding-theoretic function A(n,4,5). 0
1, 1, 1, 3, 8, 18, 36, 66, 80 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,4

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.

LINKS

Table of n, a(n) for n=4..12.

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

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

CROSSREFS

Sequence in context: A055278 A036628 A004035 * A227161 A241080 A000234

Adjacent sequences:  A169760 A169761 A169762 * A169764 A169765 A169766

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, May 08 2010

EXTENSIONS

The first open case is A(13,4,5) >= 123.

STATUS

approved

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Last modified October 31 02:14 EDT 2014. Contains 248845 sequences.