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A155689 as a simple table

na(n)
10
21
33
43
54
67
77
88
910
1011
1111
1215
1316
1416
1518
1619
1722
1822
1923
2025
2125
2226
2331
2431
2532
2634
2735
2835
2938
3039
3139
3241
3342
3446
3546
3647
3749
3849
3950
4053
4153
4254
4356
4457
4557
4663
4764
4864
4966
5067
5170
5270
5371
5473
5573
5674
5778
5879
5979
6081
6182
6282
6385
6486
6586
6688
6789
6894
6994
7095
7197
7297

[0,1,3,3,4,7,7,8,10,11,11,15,16,16,18,19,22,22,23,
 25,25,26,31,31,32,34,35,35,38,39,39,41,42,46,46,
 47,49,49,50,53,53,54,56,57,57,63,64,64,66,67,70,
 70,71,73,73,74,78,79,79,81,82,82,85,86,86,88,89,
 94,94,95,97,97]