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A026263 as a simple table

na(n)
11
21
31
41
51
61
71
81
92
103
112
123
133
143
153
164
173
184
195
204
215
224
236
245
256
265
276
287
296
308
316
328
336
348
357
368
379
388
3910
408
4110
428
4310
448
4510
469
4711
4812
4910
5012
5110
5212
5310
5413
5510
5613
5714
5811
5914
6012
6115
6212
6315
6412
6515
6616
6713
6816
6913
7017
7114
7217
7314
7417

[1,1,1,1,1,1,1,1,2,3,2,3,3,3,3,4,3,4,5,4,5,4,6,5,
 6,5,6,7,6,8,6,8,6,8,7,8,9,8,10,8,10,8,10,8,10,9,
 11,12,10,12,10,12,10,13,10,13,14,11,14,12,15,12,
 15,12,15,16,13,16,13,17,14,17,14,17]