Number of nX7 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

A209475

Number of nX7 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

Terms

    a(0) =97a(1) =175599a(2) =283656566a(3) =325528559843

External references