T(n,k)=Number of nXk array permutations with each element moved and moved by a city block distance of no more than three.

A188966

T(n,k)=Number of nXk array permutations with each element moved and moved by a city block distance of no more than three.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =2a(4) =9a(5) =2a(6) =9a(7) =265a(8) =265a(9) =9a(10) =24a(11) =8132a(12) =78976a(13) =8132a(14) =24a(15) =57a(16) =154564a(17) =22666641a(18) =22666641a(19) =154564a(20) =57a(21) =140a(22) =2790864a(23) =4064659324a(24) =62394485617a(25) =4064659324a(26) =2790864a(27) =140a(28) =376a(29) =55327556

External references