Number of nX5 0..4 arrays with every nonzero element less than or equal to some NW, E or S neighbor.

A203547

Number of nX5 0..4 arrays with every nonzero element less than or equal to some NW, E or S neighbor.

Terms

    a(0) =1a(1) =48046a(2) =67657718a(3) =48904258294

External references