Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock summing to a prime.
A251509
Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock summing to a prime.
Terms
- a(0) =2264a(1) =45470a(2) =915152a(3) =18567350a(4) =376244106a(5) =7639226604a(6) =154952279458
External references
- oeis: A251509