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A129511 as a simple table

na(n)
11
22
33
44
55
67
78
89
910
1011
1113
1214
1316
1417
1519
1621
1722
1823
1925
2026
2127
2229
2331
2432
2533
2634
2735
2837
2938
3039
3141
3243
3344
3446
3547
3649
3750
3851
3952
4053
4155
4257
4358
4459
4561
4662
4764
4865
4967
5068
5169
5271
5373
5474
5576
5677
5779
5881
5982
6083
6185
6286
6387
6489
6592
6693
6794
6895
6997
7098
71101
72103

[1,2,3,4,5,7,8,9,10,11,13,14,16,17,19,21,22,23,25,
 26,27,29,31,32,33,34,35,37,38,39,41,43,44,46,47,
 49,50,51,52,53,55,57,58,59,61,62,64,65,67,68,69,
 71,73,74,76,77,79,81,82,83,85,86,87,89,92,93,94,
 95,97,98,101,103]