OFFSET
7,6
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).
CRC Handbook of Combinatorial Designs, 1996, p. 411.
LINKS
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
EXTENSIONS
An incorrect g.f. was deleted by N. J. A. Sloane, Sep 13 2009
STATUS
approved