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 A063182 #6 May 10 2013 12:44:49 %S A063182 1,4,26,314,5222,168632,5736908,291993032,18599068328,1547379999392, %T A063182 136254185631632,18749419634845088,2367416741670079712, %U A063182 387737484226037810048,78779133220155242489792,17651532033334188604514432,3945247307615376458903485568 %N A063182 Number of cyclic subgroups of the group S_n X S_n (where S_n is the symmetric group of degree n). %Y A063182 Cf. A051625, A060648, (unlabeled case) A063183. %K A063182 nonn %O A063182 1,2 %A A063182 _Vladeta Jovovic_, Jul 10 2001 %E A063182 a(9)-a(17) from _Stephen A. Silver_, Feb 22 2013