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 A030121 #12 Oct 05 2019 09:15:58 %S A030121 3,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,-4,3,0,0,0,0,0,0,0,-30,48,-19, %T A030121 0,0,0,0,0,-36,-136,468,-408,111,0,0,0,-150,-180,-135,3240,-5340,3260, %U A030121 -696,-132,-414,-612,696,1932,16158,-51004,53919 %N A030121 Spontaneous magnetization coefficients for square lattice spin 5/2 Ising model. %C A030121 First term is really 5/2. %H A030121 I. Jensen, <a href="/A030121/b030121.txt">Table of n, a(n) for n = 0..126</a> [taken from web site below] %H A030121 I. G. Enting, A, J. Guttmann and I. Jensen, <a href="https://arxiv.org/abs/hep-lat/9410005">Low-Temperature Series Expansions for the Spin-1 Ising Model</a>, arXiv:hep-lat/9410005, 1994; J. Phys. A. 27 (1994) 6987-7006. %H A030121 I. Jensen, <a href="https://researchers.ms.unimelb.edu.au/~ij@unimelb/ising/series/mag5_2.ser">More terms</a> %H A030121 Iwan Jensen, Anthony J. Guttmann, <a href="http://arxiv.org/abs/cond-mat/9509121">Series expansions of the percolation probability for directed square and honeycomb lattices</a>, arXiv:cond-mat/9509121, 1995; J. Phys. A 28 (1995), no. 17, 4813-4833. %Y A030121 Apart from first term, same as A010106 (first term is really 5/2). %K A030121 sign %O A030121 0,1 %A A030121 _N. J. A. Sloane_, _Simon Plouffe_