Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock summing to a prime.

A251511

Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock summing to a prime.

Terms

    a(0) =211680a(1) =18567350a(2) =1644478410a(3) =148463964846

External references