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 A034188 Number of binary codes of length 3 with n words. 65
 1, 1, 3, 3, 6, 3, 3, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 REFERENCES H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219. LINKS Table of n, a(n) for n=0..98. H. Fripertinger, Isometry Classes of Codes CROSSREFS Cf. A034189, A034190, A034191, A034192, A034193, A034194, A034195, A034196, A034197. A row of A039754. Sequence in context: A236258 A105158 A020813 * A184849 A335870 A339496 Adjacent sequences: A034185 A034186 A034187 * A034189 A034190 A034191 KEYWORD nonn AUTHOR N. J. A. Sloane. STATUS approved

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Last modified June 21 05:50 EDT 2024. Contains 373540 sequences. (Running on oeis4.)