Numbers in base 5.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =10a(6) =11a(7) =12a(8) =13a(9) =14a(10) =20a(11) =21a(12) =22a(13) =23a(14) =24a(15) =30a(16) =31a(17) =32a(18) =33a(19) =34a(20) =40a(21) =41a(22) =42a(23) =43a(24) =44a(25) =100a(26) =101a(27) =102a(28) =103a(29) =104