Number of nX6 0..n+6-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

A265456

Number of nX6 0..n+6-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

Terms

    a(0) =1864a(1) =502154a(2) =161435322a(3) =52509347006

External references