n written in fractional base 9/5.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =50a(10) =51a(11) =52a(12) =53a(13) =54a(14) =55a(15) =56a(16) =57a(17) =58a(18) =510a(19) =511a(20) =512a(21) =513a(22) =514a(23) =515a(24) =516a(25) =517a(26) =518a(27) =560a(28) =561a(29) =562