A070798 - OEIS

A070798 as a simple table

n	a(n)
1	111
2	123
3	147
4	210
5	222
6	246
7	321
8	345
9	420
10	444
11	543
12	642
13	741
14	789
15	840
16	888
17	987
18	1002
19	1005
20	1596
21	1686
22	1776
23	1866
24	1956
25	2001
26	2004
27	2595
28	2685
29	2775
30	2865
31	2955
32	3000
33	3003
34	3009
35	3099
36	3189
37	3279
38	3369
39	3459
40	3549
41	3594
42	3639
43	3684
44	3729
45	3774

[111,123,147,210,222,246,321,345,420,444,543,642, 741,789,840,888,987,1002,1005,1596,1686,1776,1866, 1956,2001,2004,2595,2685,2775,2865,2955,3000,3003, 3009,3099,3189,3279,3369,3459,3549,3594,3639,3684, 3729,3774]