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 A145770 #2 Mar 30 2012 16:51:01 %S A145770 1,5355,31040,94500,78624,201600,86400,226800,403200,90720,0,302400,0, %T A145770 0,120960,0,0,0,0,0,172800 %N A145770 a(n) = number of elements of order n in simple group Alt(10) of order 1814400. %Y A145770 A row of A057740. Cf. A031963. %K A145770 nonn,fini,full %O A145770 1,2 %A A145770 _N. J. A. Sloane_, Apr 06 2009