513228578domain: NAppears in sequencesNumber of (n+2)X(5+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=6A251882Number of (n+2)X(7+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=4A251884