%I #6 Aug 14 2023 19:55:17
%S 1,4,15,137,1411,88044
%N Number of conjugacy classes of subgroups of the Chevalley group A_n(2) (the group of nonsingular n X n matrices over GF(2)).
%o (Magma) [#Subgroups(GL(n,2)) : n in [1..6]]; // _Robin Visser_, Aug 14 2023
%Y Cf. A062240, A002884.
%K nonn,hard,more
%O 1,2
%A Ahmed Fares (ahmedfares(AT)my-deja.com), Jun 30 2001
%E a(5)-a(6) from _Robin Visser_, Aug 14 2023