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A034202 Number of binary codes (not necessarily linear) of length n with 7 words. 0
0, 0, 1, 56, 1326, 19735, 221778, 2074059, 16957301, 124727148, 840130123, 5244256701, 30596969639, 167941891447, 871758267397, 4298158203818, 20204102328683, 90841311196884, 391801985882846, 1625205683251931, 6498532182528941 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
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: A219469 A278079 A025597 * A160290 A030649 A319310
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Aug 07 2020
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)