n written in fractional base 6/2.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =20a(7) =21a(8) =22a(9) =23a(10) =24a(11) =25a(12) =40a(13) =41a(14) =42a(15) =43a(16) =44a(17) =45a(18) =200a(19) =201a(20) =202a(21) =203a(22) =204a(23) =205a(24) =220a(25) =221a(26) =222a(27) =223a(28) =224a(29) =225