Trajectory of 5 under repeated application of x -> A306938(x).

Terms

a(0) =5a(1) =8a(2) =13a(3) =22a(4) =38a(5) =65a(6) =112a(7) =193a(8) =334a(9) =578a(10) =1001a(11) =1733a(12) =3001a(13) =5197a(14) =9001a(15) =15590a(16) =27002a(17) =46768a(18) =81004a(19) =140303a(20) =243011a(21) =420907a(22) =729032a(23) =1262720a(24) =2187095a(25) =3788159a(26) =6561283a(27) =11364475a(28) =19683848a(29) =34093424