Number of n X 3 arrays containing 3 copies of 0..n-1 with no equal horizontal, vertical, diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
A265420
Number of n X 3 arrays containing 3 copies of 0..n-1 with no equal horizontal, vertical, diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =225a(5) =86226a(6) =25009492a(7) =8099337021
External references
- oeis: A265420