This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A034208 #7 Jul 08 2025 20:08:30 %S A034208 0,0,0,6,98804,290751447,331785257145,233750783834504, %T A034208 124448560749072651,55145074470990131334,21380210213948881081642, %U A034208 7456837714994642537616273,2378623876142097175827296765 %N A034208 Number of binary codes (not necessarily linear) of length n with 13 words. %D A034208 H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219. %H A034208 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %Y A034208 Cf. A034188-. %K A034208 nonn %O A034208 1,4 %A A034208 _N. J. A. Sloane_