Number of aperiodic necklaces with n labeled beads of 4 colors.

A032323

Number of aperiodic necklaces with n labeled beads of 4 colors.

Terms

    a(0) =4a(1) =12a(2) =120a(3) =1440a(4) =24480a(5) =482400a(6) =11793600a(7) =329011200a(8) =10567065600a(9) =380131315200

External references