Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime.
A251456
Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime.
Terms
- a(0) =358070a(1) =43856564a(2) =5162094982a(3) =614533146306
External references
- oeis: A251456