Number of nX5 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor.

A203394

Number of nX5 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor.

Terms

    a(0) =1a(1) =10804a(2) =5666072a(3) =1650100394a(4) =474618867194

External references