Write n in base 9, then complement each digit (d -> 8-d) and juxtapose.

Terms

a(0) =7a(1) =6a(2) =5a(3) =4a(4) =3a(5) =2a(6) =1a(7) =0a(8) =7a(9) =8a(10) =7a(11) =7a(12) =7a(13) =6a(14) =7a(15) =5a(16) =7a(17) =4a(18) =7a(19) =3a(20) =7a(21) =2a(22) =7a(23) =1a(24) =7a(25) =0a(26) =6a(27) =8a(28) =6a(29) =7