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A171901 as a simple table

na(n)
111
222
333
444
555
666
777
888
999
10100
11110
12111
13112
14113
15114
16115
17116
18117
19118
20119
21122
22133
23144
24155
25166
26177
27188
28199
29200
30211
31220
32221
33222
34223
35224
36225
37226
38227
39228
40229
41233
42244
43255
44266
45277
46288
47299
48300
49311
50322
51330
52331
53332
54333

[11,22,33,44,55,66,77,88,99,100,110,111,112,113,
 114,115,116,117,118,119,122,133,144,155,166,177,
 188,199,200,211,220,221,222,223,224,225,226,227,
 228,229,233,244,255,266,277,288,299,300,311,322,
 330,331,332,333]