Number of nX3 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.

A202911

Number of nX3 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.

Terms

    a(0) =64a(1) =31984a(2) =9509536a(3) =2397172032a(4) =622483753816

External references