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 A327151 #7 Nov 28 2019 07:16:12 %S A327151 1,1,1,3,8,23,82,452,2369,18356,143308,1396222,13000455,152886068 %N A327151 Number of orbits of the direct square of the alternating group A_n^2 where A_n acts by conjugation, such that both permutations in a representative pair are of the same conjugacy class in A_n. %e A327151 For n = 3, representatives of the a(3) = 3 orbits are: (e,e), ((123),(123)), ((132),(132)), where e is the identity. %Y A327151 Cf. A110143, A327014, A327150. %K A327151 nonn,more %O A327151 0,4 %A A327151 _Derek Lim_, Aug 23 2019