Write n in base 7 and juxtapose.

Terms

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