Trajectory of 59 under map x->x + (x-with-digits-reversed).

Terms

a(0) =59a(1) =154a(2) =605a(3) =1111a(4) =2222a(5) =4444a(6) =8888a(7) =17776a(8) =85547a(9) =160105a(10) =661166a(11) =1322332a(12) =3654563a(13) =7309126a(14) =13528163a(15) =49710694a(16) =99312488a(17) =187733887a(18) =976071668a(19) =1842242347a(20) =9274664828a(21) =17559329557a(22) =93151725128