Number of distinct (n red, n blue, n green)-bead necklaces.

A118644

Number of distinct (n red, n blue, n green)-bead necklaces.

Terms

    a(0) =1a(1) =2a(2) =16a(3) =188a(4) =2896a(5) =50452a(6) =953056a(7) =19003476a(8) =394397776a(9) =8439756848a(10) =185033251616

External references