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 A047052 #9 Aug 14 2023 20:04:06 %S A047052 1,5,93,11449,4709398,23380019770 %N A047052 Number of Abelian subgroups of Chevalley group A_n(2) (the group of nonsingular n X n matrices over GF(2)). %o A047052 (Magma) [&+[s`length : s in AbelianSubgroups(GL(n,2))] : n in [1..6]]; // _Robin Visser_, Aug 14 2023 %Y A047052 Cf. A062250, A062240. %K A047052 nonn,hard,more %O A047052 1,2 %A A047052 Ahmed Fares (ahmedfares(AT)my-deja.com), Jul 18 2001 %E A047052 a(5)-a(6) from _Robin Visser_, Aug 14 2023