Number of (n+1)X6 0..3 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors.
A205421
Number of (n+1)X6 0..3 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors.
Terms
- a(0) =3855292a(1) =782598960a(2) =189526149374
External references
- oeis: A205421