342012

Appears in sequences

• Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which generate a group of order four under binary matrix multiplication.at n=6A054467
• O.g.f: -12*x^3/(-1+x)/(-1+2*x)/(-1+3*x) = -2-2/(-1+3*x)-6/(-1+x)+6/(-1+2*x) .at n=8A118979