Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.
A251382
Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.
Terms
- a(0) =71a(1) =12457a(2) =16036923a(3) =152031391763
External references
- oeis: A251382