Number of nX3 arrays containing 3 copies of 0..n-1 with no equal diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
A265654
Number of nX3 arrays containing 3 copies of 0..n-1 with no equal diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
Terms
- a(0) =1a(1) =1a(2) =20a(3) =1129a(4) =104241a(5) =14031233a(6) =2641322440a(7) =663690698065
External references
- oeis: A265654