33784128domain: NAppears in sequencesNumber of nonsingular n X n matrices over GF(7).at n=3A053293Order of automorphism group of the group C_n X C_n X C_n (where C_n is the cyclic group of order n).at n=6A064767Number of 3 X 3 matrices over Z(n) having nonzero determinant.at n=6A115222