Number of different 4th-power (quartic) mappings of a finite set of n elements into itself.

A163860

Number of different 4th-power (quartic) mappings of a finite set of n elements into itself.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =73a(5) =580a(6) =5721a(7) =69244a(8) =1000210a(9) =16319601a(10) =297453340

External references