Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

A269150

Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

Terms

    a(0) =1620a(1) =330192a(2) =46576336a(3) =6004186984a(4) =738478504448

External references