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 A053660 #8 Jan 10 2022 03:46:28 %S A053660 2,6,12,18,36,56,92,138,220,338,520 %N A053660 Number of nonisomorphic cyclic subgroups of general linear group GL(n,4). %D A053660 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %Y A053660 Cf. A053651, A053658. %K A053660 more,nonn %O A053660 1,1 %A A053660 _Vladeta Jovovic_, Mar 22 2000 %E A053660 a(8)-a(11) from _Sean A. Irvine_, Jan 10 2022