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A034192 Number of binary codes of length 7 with n words. 11
1, 1, 7, 23, 203, 1606, 18435, 221778, 2773763, 33297380, 375158732, 3907656327, 37504171766, 331785257145, 2712509085687, 20560611034067, 144992583036707, 954428916508309, 5882732966056385, 34048050206744705 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
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
Row n=7 of A039754.
Sequence in context: A099051 A187487 A299643 * A050918 A322557 A228699
KEYWORD
nonn,fini,full
AUTHOR
STATUS
approved

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)