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 A109230 #4 Aug 20 2015 08:11:18 %S A109230 0,1,2,3,8,6,12,14 %N A109230 Number of indecomposable groups with n conjugacy classes. %C A109230 See A090751 for the definition of indecomposable. The comments there imply that A073043 has Dirichlet generating function prod((1-n^(-s))^(-a(n)),n>=2). %K A109230 more,nonn %O A109230 1,3 %A A109230 _Paul Boddington_, Aug 19 2005