OFFSET
1,2
PROG
(Magma) [&+[s`length : s in AbelianSubgroups(GL(n, 2))] : n in [1..6]]; // Robin Visser, Aug 14 2023
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Ahmed Fares (ahmedfares(AT)my-deja.com), Jul 18 2001
EXTENSIONS
a(5)-a(6) from Robin Visser, Aug 14 2023
STATUS
approved