n written in fractional base 5/4.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =40a(6) =41a(7) =42a(8) =43a(9) =44a(10) =430a(11) =431a(12) =432a(13) =433a(14) =434a(15) =4320a(16) =4321a(17) =4322a(18) =4323a(19) =4324a(20) =43210a(21) =43211a(22) =43212a(23) =43213a(24) =43214a(25) =432100a(26) =432101a(27) =432102a(28) =432103a(29) =432104