A188264 - OEIS

A188264 as a simple table

n	a(n)
1	1
2	2
3	10
4	11
5	12
6	20
7	30
8	100
9	101
10	102
11	110
12	111
13	112
14	120
15	132
16	200
17	210
18	212
19	220
20	240
21	300
22	312
23	1000
24	1001
25	1002
26	1010
27	1011
28	1012
29	1020
30	1032
31	1100
32	1101
33	1102
34	1104
35	1110
36	1111
37	1112
38	1120
39	1200
40	1210
41	1212
42	1220
43	1320
44	2000
45	2010
46	2012
47	2020
48	2100
49	2110
50	2112

[1,2,10,11,12,20,30,100,101,102,110,111,112,120, 132,200,210,212,220,240,300,312,1000,1001,1002, 1010,1011,1012,1020,1032,1100,1101,1102,1104,1110, 1111,1112,1120,1200,1210,1212,1220,1320,2000,2010, 2012,2020,2100,2110,2112]