995685849690domain: NAppears in sequencesNumber of aperiodic necklaces of n beads of 6 colors; dimensions of free Lie algebras.at n=17A032164a(n) = floor(6^n/n).at n=16A129796Number of n-bead necklaces of 7 colors not allowing reversal, with no adjacent beads having the same color.at n=16A208534a(n) = (n^17 - n)/17.at n=6A366490