Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.
A251495
Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.
Terms
- a(0) =341718a(1) =130169514a(2) =50511532876
External references
- oeis: A251495