9240051240domain: NAppears in sequencesNumber of real {0,1} n X n matrices having determinant=1.at n=6A086264Triangle T(n,k) read by rows, where T(n,k) = number of times the determinant of a real n X n (0,1)-matrix takes the value k, for n >= 0, 0 <= k <= A003432(n).at n=20A089478