n written in fractional base 8/7.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =70a(9) =71a(10) =72a(11) =73a(12) =74a(13) =75a(14) =76a(15) =77a(16) =760a(17) =761a(18) =762a(19) =763a(20) =764a(21) =765a(22) =766a(23) =767a(24) =7650a(25) =7651a(26) =7652a(27) =7653a(28) =7654a(29) =7655