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 A364770 #5 Aug 06 2023 08:18:02 %S A364770 1,14,78,306,620,1092,2394,5808,7164,8680,14630,23868,28548,33516, %T A364770 48360 %N A364770 Number of conjugacy classes in the group GL(4,Z_n). %F A364770 For a prime p : a(p) = p*(p^3 - 1). %o A364770 (Magma) [Nclasses(GeneralLinearGroup(4, ResidueClassRing(n))) : n in [2..15]]; %Y A364770 Cf. A062354, A086768. %K A364770 nonn,more %O A364770 1,2 %A A364770 _Robin Visser_, Aug 06 2023