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A048686 as a simple table

na(n)
11
22
32
43
53
64
74
84
94
106
116
126
137
148
158
169
178
1810
198
2010
2111
2212
2312
2412
2513
2612
2712
2815
2915
3016
3114
3214
3314
3415
3516
3619
3718
3818
3918
4021
4119
4222
4321
4422
4523
4624
4724
4824
4922
5024
5125
5227
5323
5425
5524
5625
5729
5829
5928
6031
6131
6232
6330
6428
6529
6633
6731
6832
6934
7036
7135
7237
7336
7435
7536

[1,2,2,3,3,4,4,4,4,6,6,6,7,8,8,9,8,10,8,10,11,12,
 12,12,13,12,12,15,15,16,14,14,14,15,16,19,18,18,
 18,21,19,22,21,22,23,24,24,24,22,24,25,27,23,25,
 24,25,29,29,28,31,31,32,30,28,29,33,31,32,34,36,
 35,37,36,35,36]