80717134

Appears in sequences

• Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to a prime.at n=4A251405
• Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime.at n=2A251407
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime.at n=23A251410
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime.at n=25A251410