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 A057377 #5 Mar 30 2012 16:48:52 %S A057377 1,0,0,0,2,0,4,4,6,24,24,68,190,192,904,1420,3106,9940,14572,49268, %T A057377 102886,225004,652940,1301256,3513806,8591792,19326248,52781148, %U A057377 120709472,306339824,779682608,1852672272,4847112666,11876028924 %N A057377 Low-temperature partition function expansion for square lattice (Potts model, q=3). %H A057377 I. Jensen, <a href="/A057377/b057377.txt">Table of n, a(n) for n = 0..71</a> (from link below) %H A057377 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/sqp3pf.ser">More terms</a> %Y A057377 Cf. A057374-A057405. %K A057377 nonn %O A057377 0,5 %A A057377 _N. J. A. Sloane_, Aug 29 2000