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 A007287 M3915 #7 Mar 30 2012 18:36:11 %S A007287 1,5,21,93,409,1837,8209,36969,166041,748889,3373941,15248153,68840633 %N A007287 Expansion of layer susceptibility series for cubic lattice. %D A007287 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A007287 S. G. Whittington, G. M. Torrie and A. J. Guttmann, The Ising model with a free surface: a series analysis study, J. Phys. A 12 (1979), 2449-2455. %K A007287 nonn %O A007287 0,2 %A A007287 _Simon Plouffe_