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A217438 as a simple table

na(n)
11
22
33
42
53
63
74
85
94
105
116
127
135
146
157
166
177
187
198
209
2110
2211
238
249
2510
2611
279
2810
2911
3010
3111
3212
3313
3414
3511
3612
3713
3814
3915
4012
4113
4214
4315
4413
4514
4615
4714
4815
4915
5016
5117
5216
5317
5418
5519
5620
5721
5822
5923
6017
6118
6219
6320
6421
6522
6623
6718
6819
6920
7021
7122
7223
7319
7420
7521
7622
7723
7820
7921
8022
8123
8221
8322
8423

[1,2,3,2,3,3,4,5,4,5,6,7,5,6,7,6,7,7,8,9,10,11,8,
 9,10,11,9,10,11,10,11,12,13,14,11,12,13,14,15,12,
 13,14,15,13,14,15,14,15,15,16,17,16,17,18,19,20,
 21,22,23,17,18,19,20,21,22,23,18,19,20,21,22,23,
 19,20,21,22,23,20,21,22,23,21,22,23]