Number of (n+1)X(1+1) 0..4 arrays with every 2X2 subblock summing to a prime.
A251508
Number of (n+1)X(1+1) 0..4 arrays with every 2X2 subblock summing to a prime.
Terms
- a(0) =234a(1) =2264a(2) =21862a(3) =211680a(4) =2047194a(5) =19818328a(6) =191708742a(7) =1855695600a(8) =17952272890a(9) =173762374600
External references
- oeis: A251508