Number of nX5 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.

A203335

Number of nX5 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.

Terms

    a(0) =1a(1) =846a(2) =532547a(3) =156011082a(4) =40063085907

External references