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%I #10 Aug 08 2020 01:26:40
%S 0,0,3,27,131,497,1606,4647,12320,30493,71218,158374,337375,691981,
%T 1371917,2637956,4932911,8992413,16013007,27904818,47663115,79909497,
%U 131666339
%N Number of binary codes (not necessarily linear) of length n with 5 words.
%H H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a>
%H H. Fripertinger, <a href="https://doi.org/10.1023/A:1008248618779">Enumeration, construction and random generation of block codes</a>, Designs, Codes, Crypt., 14 (1998), 213-219.
%Y Cf. A034188-.
%K nonn
%O 1,3
%A _N. J. A. Sloane_.
%E a(15)-a(23) from _Sean A. Irvine_, Aug 07 2020
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