Weighted sum of all cyclic subgroups of the Symmetric Group.

A181949

Weighted sum of all cyclic subgroups of the Symmetric Group.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =43a(4) =231a(5) =1531a(6) =11068a(7) =89895a(8) =820543a(9) =8484871a(10) =95647476a(11) =1186289083a(12) =15648402355a(13) =221728356123

External references