Number of n X 3 0..5 arrays with some element plus some horizontally or vertically adjacent neighbor totalling five exactly once.

A269762

Number of n X 3 0..5 arrays with some element plus some horizontally or vertically adjacent neighbor totalling five exactly once.

Terms

    a(0) =60a(1) =17520a(2) =2624640a(3) =326697720a(4) =37212131520

External references