1160228856domain: NAppears in sequencesNumber of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock summing to a prime.at n=5A251611T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock summing to a prime.at n=15A251616T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock summing to a prime.at n=20A251616