49985258994domain: NAppears in sequencesTrajectory of 9 under map x->x + (x-with-digits-reversed).at n=22A033651Trajectory of 27 under map x->x + (x-with-digits-reversed).at n=21A033659Trajectory of 99 under map x->x + (x-with-digits-reversed).at n=20A033674Smret suoiverp eht fo mus fo esrever.at n=23A112296