Number of nX5 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.

A202886

Number of nX5 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.

Terms

    a(0) =51a(1) =13345a(2) =2223723a(3) =348151747a(4) =56006562037

External references