Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
A265655
Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
Terms
- a(0) =1a(1) =2a(2) =104a(3) =39913a(4) =35213302a(5) =59232755329
External references
- oeis: A265655