71117571206domain: NAppears in sequencesTrajectory of 13 under map x->x + (x-with-digits-reversed).at n=23A033652Trajectory of 17 under map x->x + (x-with-digits-reversed).at n=22A033654Trajectory of 31 under map x->x + (x-with-digits-reversed).at n=23A033661Trajectory of 79 under map x->x + (x-with-digits-reversed).at n=21A033673