Number of (n+1)X5 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors.
A205242
Number of (n+1)X5 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors.
Terms
- a(0) =18148a(1) =323806a(2) =7051340a(3) =144087952a(4) =2954664074a(5) =60907844595
External references
- oeis: A205242