2432344domain: NAppears in sequencesNumber of (n+2) X (n+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3 X 3 subblock summing to 2, 3, 6, or 7.at n=4A251783Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7.at n=4A251788