Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any vertical or antidiagonal neighbor equal to n-1.
A266041
Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any vertical or antidiagonal neighbor equal to n-1.
Terms
- a(0) =1a(1) =0a(2) =30a(3) =2408a(4) =1477440a(5) =854084640
External references
- oeis: A266041