Number of cycles in all permutations of n elements with distinct cycle lengths.
A131622
Number of cycles in all permutations of n elements with distinct cycle lengths.
Terms
- a(0) =1a(1) =1a(2) =8a(3) =22a(4) =124a(5) =948a(6) =6138a(7) =50832a(8) =468144a(9) =5165280a(10) =54704880a(11) =695854080a(12) =9016051680a(13) =130427750880
External references
- oeis: A131622