Total number of all distinct cycle sizes in all permutations of [n].
A132961
Total number of all distinct cycle sizes in all permutations of [n].
Terms
- a(0) =1a(1) =2a(2) =9a(3) =38a(4) =215a(5) =1384a(6) =10409a(7) =86946a(8) =825075a(9) =8541998a(10) =97590779a(11) =1205343952a(12) =16148472977a(13) =231416203212
External references
- oeis: A132961