4243461domain: NAppears in sequencesNumber of (n+2)X(4+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=4A251881Number 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=3A251882