Number of n X n array permutations with each element moving one space diagonally, horizontally or vertically.

A189347

Number of n X n array permutations with each element moving one space diagonally, horizontally or vertically.

Terms

    a(0) =0a(1) =4a(2) =48a(3) =12592a(4) =10252800a(5) =64731638400

External references