Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any horizontal, vertical or antidiagonal neighbor equal to n-1.
A266157
Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any horizontal, vertical or antidiagonal neighbor equal to n-1.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =40a(4) =85976a(5) =55409952a(6) =118728695856
External references
- oeis: A266157