A067523 - OEIS

A067523 as a simple table

n	a(n)
1	2
2	3
3	13
4	5
5	7
6	17
7	19
8	29
9	67
10	59
11	79
12	89
13	199
14	389
15	499
16	599
17	997
18	1889
19	1999
20	2999
21	4999
22	6899
23	17989
24	8999
25	29989
26	39989
27	49999
28	59999
29	79999
30	98999
31	199999
32	389999
33	598999
34	599999
35	799999
36	989999
37	2998999
38	2999999
39	4999999
40	6999899
41	8989999

[2,3,13,5,7,17,19,29,67,59,79,89,199,389,499,599, 997,1889,1999,2999,4999,6899,17989,8999,29989, 39989,49999,59999,79999,98999,199999,389999, 598999,599999,799999,989999,2998999,2999999, 4999999,6999899,8989999]