Number of (n+1)X4 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.
A205050
Number of (n+1)X4 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) =803a(1) =4171a(2) =23720a(3) =182720a(4) =1280452a(5) =10523741a(6) =76554719a(7) =627391509a(8) =4625078935a(9) =37555149047a(10) =279426142490
External references
- oeis: A205050