T(n,k)=Number of nXk 1..6 arrays with no element with value z exactly a city block distance of z from another element with value z.

A209182

T(n,k)=Number of nXk 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) =6a(1) =35a(2) =35a(3) =199a(4) =1104a(5) =199a(6) =1094a(7) =31185a(8) =31185a(9) =1094a(10) =5835a(11) =782336a(12) =3873287a(13) =782336a(14) =5835a(15) =29917a(16) =17015665a(17) =364261071a(18) =364261071a(19) =17015665a(20) =29917a(21) =147568a(22) =311027162a(23) =24175529937a(24) =99281772774a(25) =24175529937a(26) =311027162a(27) =147568a(28) =722298a(29) =5208624406

External references