Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

A238076

Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =9884a(1) =132316a(2) =1781008a(3) =19616408a(4) =242829762a(5) =2981477664a(6) =39928365220a(7) =464223535984

External references