Number of permutations of n elements with distinct cycle lengths.

A007838

Number of permutations of n elements with distinct cycle lengths.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =5a(4) =14a(5) =74a(6) =474a(7) =3114a(8) =24240a(9) =219456a(10) =2231280a(11) =23753520a(12) =288099360a(13) =3692907360a(14) =51677246880a(15) =775999798560

External references