43856564

Appears in sequences

• Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to a prime.at n=4A251453
• Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime.at n=1A251456
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a prime.at n=16A251459
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a prime.at n=19A251459