A098165 - OEIS

A098165 as a simple table

n	a(n)
1	1
2	10
3	20
4	21
5	101
6	111
7	121
8	131
9	141
10	151
11	161
12	171
13	181
14	190
15	200
16	210
17	220
18	230
19	240
20	250
21	260
22	270
23	280
24	290
25	291
26	1001
27	1011
28	1021
29	1031
30	1041
31	1051
32	1061
33	1071
34	1081
35	1091
36	1101
37	1111
38	1121
39	1131
40	1141
41	1151
42	1161
43	1171
44	1181
45	1191

[1,10,20,21,101,111,121,131,141,151,161,171,181, 190,200,210,220,230,240,250,260,270,280,290,291, 1001,1011,1021,1031,1041,1051,1061,1071,1081,1091, 1101,1111,1121,1131,1141,1151,1161,1171,1181,1191]