A177769 - OEIS

A177769 as a simple table

n	a(n)
1	111
2	222
3	333
4	444
5	555
6	666
7	777
8	888
9	999
10	1110
11	1221
12	1332
13	1443
14	1554
15	1665
16	1776
17	1887
18	1998
19	2109
20	2220
21	2331
22	2442
23	2553
24	2664
25	2775
26	2886
27	2997
28	3108
29	3219
30	3330
31	3441
32	3552
33	3663
34	3774
35	3885
36	3996
37	4107
38	4218
39	4329
40	4440
41	4551
42	4662
43	4773
44	4884
45	4995
46	5106

[111,222,333,444,555,666,777,888,999,1110,1221, 1332,1443,1554,1665,1776,1887,1998,2109,2220,2331, 2442,2553,2664,2775,2886,2997,3108,3219,3330,3441, 3552,3663,3774,3885,3996,4107,4218,4329,4440,4551, 4662,4773,4884,4995,5106]