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A034194 Number of binary codes of length 9 with n words. 11
1, 1, 9, 43, 649, 12320, 404154, 16957301, 805174011, 38921113842, 1816451773537, 79799396735243, 3267743403989063, 124448560749072651, 4413401558241969897, 146147123072487323183, 4533679418476771721737 (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=9 of A039754.
Sequence in context: A221751 A275793 A223647 * A075206 A161457 A162212
KEYWORD
nonn,fini,full,look
AUTHOR
STATUS
approved

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)