19818328
domain: N
Appears in sequences
- Number of (n+1)X(1+1) 0..4 arrays with every 2X2 subblock summing to a prime.at n=5A251508
- Number of (n+1)X(6+1) 0..4 arrays with every 2X2 subblock summing to a prime.at n=0A251513
- T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock summing to a prime.at n=15A251515
- T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock summing to a prime.at n=20A251515