Sequence A085188 shown in factorial base. (The longest prefix which can be shown with digits < 10.)

Terms

a(0) =0a(1) =1a(2) =11a(3) =20a(4) =101a(5) =200a(6) =201a(7) =211a(8) =220a(9) =301a(10) =1011a(11) =1020a(12) =1101a(13) =1301a(14) =2200a(15) =2201a(16) =2211a(17) =2220a(18) =2301a(19) =3000a(20) =3001a(21) =3011a(22) =3020a(23) =3101a(24) =3211a(25) =3220a(26) =3301a(27) =4101a(28) =10200a(29) =10201