1374165domain: NAppears in sequencesNumber of (n+2) X (n+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3 X 3 subblock summing to 2 or 4.at n=4A251674Number of (n+2)X(5+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 4.at n=4A251679