Number of permutations of n distinct letters (ABCD...) each of which appears 5 times and having no fixed points.
A123297
Number of permutations of n distinct letters (ABCD...) each of which appears 5 times and having no fixed points.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2252a(4) =44127009
External references
- oeis: A123297