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 A057401 #5 Mar 30 2012 16:48:52 %S A057401 1,0,0,0,6,0,16,12,54,72,204,372,970,1800,5412,10268,28830,61752, %T A057401 157974,375360,937542,2327760,5929068,14655120,38155964,94792968, %U A057401 248594928,630264816,1652484378,4261164096,11190811568,29116821504 %N A057401 Low-temperature partition function expansion for Kagome net (Potts model, q=3). %H A057401 I. Jensen, <a href="/A057401/b057401.txt">Table of n, a(n) for n = 0..67</a> (from link below) %H A057401 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/kagp3pf.ser">More terms</a> %Y A057401 Cf. A057374-A057405. %K A057401 nonn %O A057401 0,5 %A A057401 _N. J. A. Sloane_, Aug 30 2000