918188domain: NAppears in sequencesNumber of (n+3) X (n+3) 0..1 arrays with no 4 X 4 subblock diagonal sum not equal the antidiagonal sum.at n=6A258949Number of (n+3)X(7+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum.at n=6A258956