Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10.
A251516
Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10.
Terms
- a(0) =246a(1) =227174a(2) =3143505700
External references
- oeis: A251516