Retrograde trajectory of 4 under map k -> A094077(k).

Terms

a(0) =4a(1) =5a(2) =7a(3) =9a(4) =13a(5) =8a(6) =11a(7) =15a(8) =21a(9) =29a(10) =41a(11) =57a(12) =81a(13) =48a(14) =67a(15) =95a(16) =56a(17) =79a(18) =111a(19) =157a(20) =92a(21) =54a(22) =32a(23) =45a(24) =63a(25) =89a(26) =125a(27) =177a(28) =104a(29) =147