A034203 Number of binary codes (not necessarily linear) of length n with 8 words.

0, 0, 1, 74, 3779, 120843, 2773763, 51107344, 805174011, 11244522420, 142255064793, 1653293013642, 17823797419169, 179533887188847, 1699220846514978, 15182270522949405, 128567147204357410, 1035446619662739678, 7955228396405343294, 58463614912279595189

Offset

1,4

Links

Table of n, a(n) for n=1..20.

H. Fripertinger, Isometry Classes of Codes

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

Crossrefs

Cf. A034188-.

Sequence in context: A035732 A017737 A358796 * A264497 A262764 A107678

Adjacent sequences: A034200 A034201 A034202 * A034204 A034205 A034206

Keyword

nonn

Author

N. J. A. Sloane.

Extensions

More terms from Sean A. Irvine, Aug 07 2020

Status

approved