Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0.
A265169
Number of nX4 arrays of permutations of 4 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) =19a(3) =11223a(4) =10723968a(5) =19442592272
External references
- oeis: A265169