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 A231867 #5 Nov 16 2013 10:20:43 %S A231867 1,1,1,1,1,1,1,1,1,2,1,1,1,2,7,1,1,1,1,3,1,1,1,7,1,2,1,1,1,1,1,1,1,1, %T A231867 2,2,1,5,1,1,3,1,1,9,4,1,1,1,1,1,1,3,1,7,1,1,1,1,5,22,1,3,1,1,1,1,1,4, %U A231867 1,1,37,2,1,1,4,1,1,1,4,25,3,1,1,1,3,1 %N A231867 Number of perfect groups of order A060793(n). %o A231867 (GAP) A231867 := n -> NrPerfectGroups(SizesPerfectGroups()[n]); # works for most n <= 331. %Y A231867 Cf. A131932. %K A231867 nonn %O A231867 1,10 %A A231867 _Eric M. Schmidt_, Nov 14 2013