Number of (n+1)X(n+1) 0..3 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors.

A205416

Number of (n+1)X(n+1) 0..3 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors.

Terms

    a(0) =256a(1) =62716a(2) =74565586a(3) =399249906572

External references