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 A057380 #6 Mar 30 2012 16:48:52 %S A057380 48,0,216,588,-96,5832,4800,13068,115776,32448,664440,1736100,1757760, %T A057380 18387336,24467184,90326532,379958640,535402224,2924464488,7189478184, %U A057380 17099776512,73614120000,153395478288,528792612984 %N A057380 Low-temperature specific heat expansion for square lattice (Potts model, q=4). %H A057380 I. Jensen, <a href="/A057380/b057380.txt">Table of n, a(n) for n = 0..55</a> (from link below) %H A057380 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/sqp4sh.ser">More terms</a> %H A057380 <a href="/index/Sp#specific_heat">Index entries for sequences related to specific heat</a> %Y A057380 Cf. A057374-A057405. %K A057380 sign %O A057380 0,1 %A A057380 _N. J. A. Sloane_, Aug 30 2000