Number of nX3 arrays containing 3 copies of 0..n-1 with no equal horizontal or antidiagonal neighbors and new values introduced sequentially from 0.
A265190
Number of nX3 arrays containing 3 copies of 0..n-1 with no equal horizontal or antidiagonal neighbors and new values introduced sequentially from 0.
Terms
- a(0) =0a(1) =0a(2) =17a(3) =774a(4) =76035a(5) =10866362a(6) =2130866037a(7) =551607137250
External references
- oeis: A265190