A193413 - OEIS

A193413 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	22
12	33
13	44
14	55
15	66
16	77
17	88
18	99
19	101
20	111
21	202
22	212
23	222
24	303
25	313
26	323
27	333
28	404
29	414
30	424
31	434
32	444
33	505
34	515
35	525
36	535
37	545
38	555
39	606
40	616
41	626
42	636
43	646
44	656
45	666
46	707
47	717
48	727
49	737
50	747
51	757
52	767
53	777
54	808
55	818
56	828
57	838
58	848
59	858
60	868
61	878
62	888
63	909
64	919
65	929
66	939
67	949
68	959
69	969
70	979
71	989
72	999
73	1001

[1,2,3,4,5,6,7,8,9,11,22,33,44,55,66,77,88,99,101, 111,202,212,222,303,313,323,333,404,414,424,434, 444,505,515,525,535,545,555,606,616,626,636,646, 656,666,707,717,727,737,747,757,767,777,808,818, 828,838,848,858,868,878,888,909,919,929,939,949, 959,969,979,989,999,1001]