login
A034213
Number of binary codes (not necessarily linear) of length n with 18 words.
0
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.
CROSSREFS
Cf. A034188-.
Sequence in context: A204536 A061732 A023046 * A226112 A244211 A234206
KEYWORD
nonn
AUTHOR
STATUS
approved