202059domain: NAppears in sequencesNumber of aperiodic bracelets (or necklaces) with n red and blue beads such that the beads switch colors when bracelet is turned over.at n=12A066315Numbers k such that {k + 2, k + 4} and {k^3 + 2, k^3 + 4} are twin prime pairs.at n=37A284058