18033590706domain: 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=4A251959Number of (n+2)X(5+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.at n=3A251960