Number of sequences with 5 copies each of 1,2,...,n and longest increasing subsequence of length n.
A268848
Number of sequences with 5 copies each of 1,2,...,n and longest increasing subsequence of length n.
Terms
- a(0) =1a(1) =1a(2) =251a(3) =729811a(4) =10258694241
External references
- oeis: A268848