T(n,k) is the number of n X k array permutations with each element moving one space diagonally, horizontally or vertically.

A189355

T(n,k) is the number of n X k array permutations with each element moving one space diagonally, horizontally or vertically.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =0a(4) =4a(5) =0a(6) =1a(7) =13a(8) =13a(9) =1a(10) =0a(11) =45a(12) =48a(13) =45a(14) =0a(15) =1a(16) =160a(17) =557a(18) =557a(19) =160a(20) =1a(21) =0a(22) =565a(23) =3632a(24) =12592a(25) =3632a(26) =565a(27) =0a(28) =1a(29) =2005

External references