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 A054764 #4 Mar 30 2012 16:48:47 %S A054764 1,2,4,4,10,8,18,20,26,28,34,36,48,44,62 %N A054764 Degree of numerator and denominator of n-th order susceptibility series for 2-dimensional Ising model. %D A054764 A. J. Guttmann and I. G. Enting, Solvability of some statistical mechanical systems, Phys. Rev. Lett., 76 (1996), 344-347. %K A054764 nonn,hard %O A054764 0,2 %A A054764 _N. J. A. Sloane_, May 25 2000