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 A062240 #5 Aug 14 2023 19:55:33 %S A062240 1,6,179,48337,54091780,922300149178 %N A062240 Number of subgroups of Chevalley group A_n(2) (the group of nonsingular n X n matrices over GF(2) ). %o A062240 (Magma) [&+[s`length : s in Subgroups(GL(n, 2))] : n in [1..6]]; // _Robin Visser_, Aug 14 2023 %Y A062240 Cf. A002884. %K A062240 nonn,hard,more %O A062240 1,2 %A A062240 Ahmed Fares (ahmedfares(AT)my-deja.com), Jun 30 2001 %E A062240 a(5)-a(6) from _Robin Visser_, Aug 14 2023