Number of (n+1)X6 0..3 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.

A205094

Number of (n+1)X6 0..3 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) =401164a(1) =33432873a(2) =3475452601a(3) =443278874512

External references