Number of n X 2 1..6 arrays with no element with value z exactly a city block distance of z from another element with value z.

A209180

Number of n X 2 1..6 arrays with no element with value z exactly a city block distance of z from another element with value z.

Terms

    a(0) =35a(1) =1104a(2) =31185a(3) =782336a(4) =17015665a(5) =311027162a(6) =5208624406a(7) =85171286099

External references