Number of n X 4 arrays of permutations of 4 copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.

A265239

Number of n X 4 arrays of permutations of 4 copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.

Terms

    a(0) =1a(1) =8a(2) =888a(3) =359172a(4) =327847656a(5) =559450092072

External references