Number of nX5 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z.

A210785

Number of nX5 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z.

Terms

    a(0) =497a(1) =40038a(2) =748627a(3) =8039420a(4) =98861559a(5) =1663213556a(6) =37591420090a(7) =889827826226

External references