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 A110302 #6 Oct 04 2012 10:28:57
%S A110302 1,1,1,4,14,103,2926
%N A110302 Number of inequivalent indecomposable self-dual codes of Type {4^H+}_II and length 2n.
%D A110302 L. E. Danielsen and M. G. Parker, On the classification of all self-dual additive codes over GF(4) of length up to 12, Preprint 2005.
%H A110302 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.
%Y A110302 Cf. A090899, A094927, A110306.
%K A110302 nonn
%O A110302 0,4
%A A110302 _N. J. A. Sloane_, Sep 09 2005