Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal horizontal neighbors and new values introduced sequentially from 0.
A264942
Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no equal horizontal neighbors and new values introduced sequentially from 0.
Terms
- a(0) =0a(1) =2a(2) =332a(3) =184740a(4) =196389904a(5) =368696849320
External references
- oeis: A264942