Retrograde trajectory of 13 under map n -> A132948(n).

Terms

a(0) =13a(1) =16a(2) =25a(3) =26a(4) =22a(5) =19a(6) =43a(7) =40a(8) =53a(9) =28a(10) =30a(11) =36a(12) =42a(13) =47a(14) =61a(15) =73a(16) =62a(17) =74a(18) =48a(19) =68a(20) =80a(21) =79a(22) =66a(23) =78a(24) =101a(25) =111a(26) =275a(27) =464a(28) =735a(29) =2471