Number of n X n array permutations with each element not moved or moved diagonally or antidiagonally by one.

A189273

Number of n X n array permutations with each element not moved or moved diagonally or antidiagonally by one.

Terms

    a(0) =1a(1) =4a(2) =45a(3) =2704a(4) =670480a(5) =787195249

External references