Write n in base 5, then complement each digit (d -> 4-d) and juxtapose.

Terms

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