446277561777domain: NAppears in sequencesNumber of (n+2)X(4+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.at n=5A251959Number of (n+2)X(6+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.at n=3A251961