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A094520 as a simple table

na(n)
11
22
33
44
55
67
78
89
910
1011
1113
1214
1315
1416
1517
1619
1721
1822
1923
2025
2126
2227
2328
2429
2531
2632
2733
2834
2935
3037
3138
3239
3341
3443
3544
3645
3746
3847
3949
4050
4151
4252
4353
4455
4557
4658
4759
4861
4962
5063
5164
5265
5367
5468
5569
5671
5773
5874
5975
6076
6177
6279
6381
6482
6583
6685
6786
6887
6988
7089
7191

[1,2,3,4,5,7,8,9,10,11,13,14,15,16,17,19,21,22,23,
 25,26,27,28,29,31,32,33,34,35,37,38,39,41,43,44,
 45,46,47,49,50,51,52,53,55,57,58,59,61,62,63,64,
 65,67,68,69,71,73,74,75,76,77,79,81,82,83,85,86,
 87,88,89,91]