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A239480 as a simple table

na(n)
10
21
32
43
54
65
76
87
98
109
1111
1222
1333
1499
15101
16111
17121
18131
19141
20151
21161
22171
23202
24212
25222
26262
27282
28303
29313
30393
31404
32424
33454
34474
35525
36545
37565
38585
39595
40636
41656
42676
43757
44838
45858
46959
471001
481111
491221
501331
511441
521991
532002
542112
552552

[0,1,2,3,4,5,6,7,8,9,11,22,33,99,101,111,121,131,
 141,151,161,171,202,212,222,262,282,303,313,393,
 404,424,454,474,525,545,565,585,595,636,656,676,
 757,838,858,959,1001,1111,1221,1331,1441,1991,
 2002,2112,2552]