81004domain: NAppears in sequencesNumber of n-bead bracelets (turnover necklaces) of two colors with 6 red beads and n-6 black beads.at n=38A005513Sum_{k=2..n} min(k,n-k)*phi(k)*(n-k).at n=40A092274Trajectory of 5 under repeated application of x -> A306938(x).at n=18A306943