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 A057382 #7 Mar 30 2012 16:48:52 %S A057382 1,0,0,0,0,0,-3,0,0,0,-18,-18,24,0,-171,-162,153,252,-1704,-2106,1998, %T A057382 2586,-14364,-28098,19008,43020,-147024,-317304,125775,612954, %U A057382 -1370868,-3909528,907209,7487136,-11849868,-46762686,252159 %N A057382 Low-temperature magnetization expansion for hexagonal lattice (Potts model, q=3). %C A057382 The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice. %H A057382 I. Jensen, <a href="/A057382/b057382.txt">Table of n, a(n) for n = 0..69</a> (from link below) %H A057382 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/trp3mag.ser">More terms</a> %H A057382 G. Nebe and N. J. A. Sloane, <a href="http://www.math.rwth-aachen.de/~Gabriele.Nebe/LATTICES/A2.html">Home page for hexagonal (or triangular) lattice A2</a> %Y A057382 Cf. A057374-A057405. %K A057382 sign %O A057382 0,7 %A A057382 _N. J. A. Sloane_, Aug 30 2000