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A171725 as a simple table

na(n)
1111111
2111122
3111133
4111144
5111155
6111212
7111221
8111222
9111313
10111331
11111333
12111414
13111441
14111444
15111515
16111551
17111555
18112112
19112121
20112122
21112211
22112212
23112221
24112222
25112233
26112244
27112255
28112323
29112332
30112424
31112442
32112525
33112552

[111111,111122,111133,111144,111155,111212,111221,
 111222,111313,111331,111333,111414,111441,111444,
 111515,111551,111555,112112,112121,112122,112211,
 112212,112221,112222,112233,112244,112255,112323,
 112332,112424,112442,112525,112552]