A125099 - OEIS

A125099 as a simple table

n	a(n)
1	10
2	11
3	101
4	102
5	110
6	111
7	120
8	1000
9	1001
10	1002
11	1010
12	1011
13	1020
14	1021
15	1022
16	1100
17	1101
18	1110
19	1111
20	1112
21	1120
22	1121
23	1202
24	1210
25	1211
26	1212
27	1220
28	1221
29	1230
30	10001
31	10002
32	10010
33	10011
34	10020
35	10021
36	10022
37	10100
38	10101
39	10110
40	10111
41	10112

[10,11,101,102,110,111,120,1000,1001,1002,1010, 1011,1020,1021,1022,1100,1101,1110,1111,1112,1120, 1121,1202,1210,1211,1212,1220,1221,1230,10001, 10002,10010,10011,10020,10021,10022,10100,10101, 10110,10111,10112]