n written in fractional base 7/5.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =50a(8) =51a(9) =52a(10) =53a(11) =54a(12) =55a(13) =56a(14) =530a(15) =531a(16) =532a(17) =533a(18) =534a(19) =535a(20) =536a(21) =5310a(22) =5311a(23) =5312a(24) =5313a(25) =5314a(26) =5315a(27) =5316a(28) =5360a(29) =5361