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 A054501 #5 Mar 31 2012 21:03:15 %S A054501 1,10,28,44,26,52,338,676,34,68,578,1156,2312,76,1444,2888,92,2116, %T A054501 4232,50,100,250,500,1000,1250,2500,5000,58,116,1682,3364,6728 %N A054501 Multiplicity sequence for classification of nonattacking queens on n X n toroidal board. %Y A054501 See comments and references for A054500. %Y A054501 Cf. A054500, A054502, A053994, A007705, A006841. %K A054501 nonn,nice,hard %O A054501 1,2 %A A054501 _Matthias Engelhardt_ %E A054501 More terms from _Matthias Engelhardt_, Jan 11 2001