Number of permutations of [n] with distinct cycle lengths such that each cycle contains exactly one cycle length as an element.
A364281
Number of permutations of [n] with distinct cycle lengths such that each cycle contains exactly one cycle length as an element.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =10a(5) =48a(6) =252a(7) =1584a(8) =10800a(9) =93600a(10) =823680a(11) =8588160a(12) =93381120a(13) =1158312960a(14) =14805504000a(15) =215028172800
External references
- oeis: A364281