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 A091327 #9 Oct 04 2012 10:28:49 %S A091327 1,0,1,1,1,1,0,1,1,1,1,2,3,2,1,0,2,4,4,2,1,1,3,8,10,7,3,1,0,3,9,18,16, %T A091327 9,3,1 %N A091327 Triangle T(n,k) read by rows giving number of inequivalent even binary linear [n,k] codes containing no zero columns (n >= 2, 1 <= k <= n-1). %C A091327 "Even" means that every word has even weight. Equivalently, the all-ones vector is in the dual code. %C A091327 Difference between successive rows of A091325. %H A091327 G. Nebe, E. M. Rains and N. J. A. Sloane, <a href="http://neilsloane.com/doc/cliff2.html">Self-Dual Codes and Invariant Theory</a>, Springer, Berlin, 2006. %H A091327 <a href="/index/Coa#codes_binary_linear">Index entries for sequences related to binary linear codes</a> %e A091327 Triangle begins %e A091327 1 %e A091327 0 1 %e A091327 1 1 1 %e A091327 0 1 1 1 %e A091327 1 2 3 2 1 %e A091327 0 2 4 4 2 1 %Y A091327 Cf. A091325. Row sums give A091328. %K A091327 nonn,tabl,more %O A091327 2,12 %A A091327 _N. J. A. Sloane_, Mar 01 2004