Number of (n+1)X7 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.

A205053

Number of (n+1)X7 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) =43261a(1) =515720a(2) =10523741a(3) =274053256a(4) =9058296062a(5) =262607365879

External references