Number of permutations on n letters that have only cycles of length 5 or less.
A070946
Number of permutations on n letters that have only cycles of length 5 or less.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =120a(6) =600a(7) =3480a(8) =22800a(9) =164880a(10) =1285920a(11) =10516320a(12) =92931840a(13) =877374720a(14) =8762014080a(15) =91819440000
External references
- oeis: A070946