4141383domain: NAppears in sequencesNumber of necklaces with n white beads and n^2 black beads.at n=7A261495Number of necklaces with n white beads and 7*n black beads.at n=7A261501(1/8) times the number of n-member subsets of [8n] whose elements sum to a multiple of n.at n=6A309187