Number of elements of order <= 2 in group of n X n upper triangular matrices over GF(2).

A008964

Number of elements of order <= 2 in group of n X n upper triangular matrices over GF(2).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =28a(4) =192a(5) =1952a(6) =28800a(7) =618496a(8) =19132416a(9) =853508096a(10) =54584672256

External references