Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to a prime.
A251455
Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to a prime.
Terms
- a(0) =47874a(1) =2922936a(2) =172965058a(3) =10325081994a(4) =614533146306
External references
- oeis: A251455