A034213 Number of binary codes (not necessarily linear) of length n with 18 words.

0, 0, 0, 0, 133576, 78409442414, 5882732966056385, 183113271146620771933, 3633847025405824655962446, 55450696349239278359106609324, 712478090754344814381494318652666

Offset

1,5

References

H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.

Links

Table of n, a(n) for n=1..11.

H. Fripertinger, Isometry Classes of Codes

Crossrefs

Cf. A034188-.

Sequence in context: A204536 A061732 A023046 * A226112 A244211 A234206

Adjacent sequences: A034210 A034211 A034212 * A034214 A034215 A034216

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved