Number of identity bracelets with n labeled beads of 3 colors.

A032338

Number of identity bracelets with n labeled beads of 3 colors.

Terms

    a(0) =3a(1) =6a(2) =6a(3) =72a(4) =1440a(5) =26640a(6) =589680a(7) =13426560a(8) =353808000a(9) =9841305600a(10) =306920275200

External references