Number of nX2 0..5 arrays with every element value z a city block distance of exactly z from another element value z.

A208958

Number of nX2 0..5 arrays with every element value z a city block distance of exactly z from another element value z.

Terms

    a(0) =2a(1) =13a(2) =115a(3) =1468a(4) =22738a(5) =372075a(6) =5462165a(7) =77163978a(8) =1084707732a(9) =15547260908a(10) =225219771040

External references