Number of n X 3 arrays containing 3 copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0.
A265168
Number of n X 3 arrays containing 3 copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0.
Terms
- a(0) =0a(1) =1a(2) =6a(3) =447a(4) =40476a(5) =5693966a(6) =1109065142a(7) =286017249449
External references
- oeis: A265168