249872016384domain: NAppears in sequencesNumber of (n+2) X (4+2) 0..1 arrays with no 3 X 3 subblock diagonal sum zero and no antidiagonal sum three.at n=5A256731Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three.at n=3A256733