Number of (n+1)X(n+1) 0..3 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock equal to the number in all its horizontal and vertical neighbors.
A205089
Number of (n+1)X(n+1) 0..3 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock equal to the number in all its horizontal and vertical neighbors.
Terms
- a(0) =256a(1) =13116a(2) =4251766a(3) =6997750028
External references
- oeis: A205089