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A208515 as a simple table

na(n)
11
21
32
41
52
63
71
82
94
105
111
122
135
148
158
161
172
186
1911
2015
2113
221
232
247
2514
2623
2728
2821
291
302
318
3217
3332
3447
3551
3634
371
382
399
4020
4142
4270
4393
4492
4555
461
472
4810
4923
5053
5197
52148
53181
54164
5589
561
572
5811
5926
6065
61128
62217
63306
64346
65290
66144
671
682
6912
7029
7178
72163
73301

[1,1,2,1,2,3,1,2,4,5,1,2,5,8,8,1,2,6,11,15,13,1,2,
 7,14,23,28,21,1,2,8,17,32,47,51,34,1,2,9,20,42,70,
 93,92,55,1,2,10,23,53,97,148,181,164,89,1,2,11,26,
 65,128,217,306,346,290,144,1,2,12,29,78,163,301]