7847250409domain: NAppears in sequencesNumber of necklaces with n white beads and n^2 black beads.at n=9A261495Number of necklaces with n white beads and 9*n black beads.at n=9A261503(1/10) times the number of n-member subsets of [10n] whose elements sum to a multiple of n.at n=8A309189