469070942domain: NAppears in sequencesNumber of trees with n edges equipped with a cyclic order on their edges, i.e., number of orbits of the action of Z/nZ on the set of edge-labeled trees of size n, given by cyclically permuting the labels.at n=10A157994a(n) = A047848(9, n).at n=9A196791a(n) = A047848(n, n).at n=9A196793