Number of nonsingular n X n matrices over GF(2) (order of the group GL(n,2)); order of Chevalley group A_n (2); order of projective special linear group PSL_n(2).

A002884

Number of nonsingular n X n matrices over GF(2) (order of the group GL(n,2)); order of Chevalley group A_n (2); order of projective special linear group PSL_n(2).

Terms

    a(0) =1a(1) =1a(2) =6a(3) =168a(4) =20160a(5) =9999360a(6) =20158709760

External references