Number of labeled cyclic groups with a fixed identity.

A058161

Number of labeled cyclic groups with a fixed identity.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =60a(6) =120a(7) =1260a(8) =6720a(9) =90720a(10) =362880a(11) =9979200a(12) =39916800a(13) =1037836800a(14) =10897286400a(15) =163459296000

External references