n written in fractional base 10/9.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =90a(11) =91a(12) =92a(13) =93a(14) =94a(15) =95a(16) =96a(17) =97a(18) =98a(19) =99a(20) =980a(21) =981a(22) =982a(23) =983a(24) =984a(25) =985a(26) =986a(27) =987a(28) =988a(29) =989