A004036 The coding-theoretic function A(n,4,6). (Formerly M3438)

1, 1, 4, 12, 30, 66, 132

Offset

6,3

Comments

The next term is at least 166.

References

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).

Links

Table of n, a(n) for n=6..12.

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.

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

Crossrefs

Sequence in context: A212519 A166213 A274250 * A011797 A051172 A032192

Adjacent sequences: A004033 A004034 A004035 * A004037 A004038 A004039

Keyword

nonn,hard

Author

N. J. A. Sloane

Status

approved