n written in fractional base 7/6.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =60a(8) =61a(9) =62a(10) =63a(11) =64a(12) =65a(13) =66a(14) =650a(15) =651a(16) =652a(17) =653a(18) =654a(19) =655a(20) =656a(21) =6540a(22) =6541a(23) =6542a(24) =6543a(25) =6544a(26) =6545a(27) =6546a(28) =65430a(29) =65431