351773domain: NPropertiesPrimalityPrimeyesAppears in sequencesSet partitions up to rotations.at n=12A084423Triangle read by rows: T(n,k) is the number of non-isomorphic colorings of a toroidal n X k grid using any number of swappable colors, 1 <= k <= n.at n=8A295197Prime numbersat n=30115