Number of (n+1)X8 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.

A205054

Number of (n+1)X8 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) =174282a(1) =2789316a(2) =76554719a(3) =3582717434a(4) =163545596549

External references