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 A316435 #5 Jul 02 2018 20:27:02 %S A316435 0,1,5,21,52,93,157,1615,3976,6063,38657,41029695,40060126,66408709, %T A316435 69552217,21794638335,1307902407752,355687428358143,355691118382363, %U A316435 10559506801336735,1267150213999726,2534272929378303,2548357888109546,1831184524199042148591 %N A316435 Number of maximal subgroups of alternating group A_n, counting conjugates as distinct. %o A316435 (GAP) List([2..20], n->Sum( ConjugacyClassesMaximalSubgroups( AlternatingGroup(n)), Size)); %Y A316435 Cf. A029725, A066113, A290138. %K A316435 nonn %O A316435 2,3 %A A316435 _Andrew Howroyd_, Jul 02 2018