2656032domain: NAppears in sequencesNumber of (n+2) X (5+2) 0..3 arrays with every 3 X 3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime.at n=7A251842Number of length n+7 0..2 arrays with at most two downsteps in every 7 consecutive neighbor pairs.at n=7A255621