Number of (n+1)X(n+1) 0..2 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.
A205047
Number of (n+1)X(n+1) 0..2 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) =81a(1) =889a(2) =23720a(3) =1887956a(4) =431904792a(5) =262607365879
External references
- oeis: A205047