1598227domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of pairs (lambda,mu) of partitions lambda of n and mu of eight with mu <= lambda (by diagram containment).at n=36A303858Number of n-bead necklace structures with beads of exactly three colors and no adjacent beads having the same color.at n=27A327397Prime numbersat n=121015