14306546domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=6A251463Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=3A251466