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 A057390 #5 Mar 30 2012 16:48:52 %S A057390 1,0,0,-3,-9,-36,-123,-450,-1764,-6690,-26649,-104112,-421248, %T A057390 -1688337,-6888978,-28063296,-115459524,-475617330,-1970737233, %U A057390 -8184006855,-34118533647,-142565353488,-597406140090 %N A057390 Low-temperature magnetization expansion for honeycomb net (Potts model, q=3). %H A057390 I. Jensen, <a href="/A057390/b057390.txt">Table of n, a(n) for n = 0..35</a> (from link below) %H A057390 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/hcp3mag.ser">More terms</a> %Y A057390 Cf. A057374-A057405. %K A057390 sign %O A057390 0,4 %A A057390 _N. J. A. Sloane_, Aug 30 2000