Number of nX5 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

A209473

Number of nX5 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

Terms

    a(0) =21a(1) =4357a(2) =872155a(3) =128482557a(4) =18325569581

External references