Number of nX3 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX3 array.

A217996

Number of nX3 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX3 array.

Terms

    a(0) =25a(1) =729a(2) =19665a(3) =531143a(4) =14345273a(5) =387332417a(6) =10458051407a(7) =282370309597

External references