Number of labeled cyclic groups with n elements.

A034381

Number of labeled cyclic groups with n elements.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =12a(4) =30a(5) =360a(6) =840a(7) =10080a(8) =60480a(9) =907200a(10) =3991680a(11) =119750400a(12) =518918400a(13) =14529715200a(14) =163459296000

External references