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 A057405 #5 Mar 30 2012 16:48:52 %S A057405 1,0,0,0,9,0,24,36,90,228,468,1296,2946,7272,20808,48612,143028, %T A057405 362700,977562,2702592,7084962,20179368,54981234,154896552,438387402, %U A057405 1224515736,3507218586,9902866092,28373581638,81503463852 %N A057405 Low-temperature partition function expansion for Kagome net (Potts model, q=4). %H A057405 I. Jensen, <a href="/A057405/b057405.txt">Table of n, a(n) for n = 0..58</a> (from link below) %H A057405 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/kagp4pf.ser">More terms</a> %Y A057405 Cf. A057374-A057404. %K A057405 nonn %O A057405 0,5 %A A057405 _N. J. A. Sloane_, Aug 30 2000