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A106500 as a simple table

na(n)
12
23
33
44
55
64
75
86
95
107
115
127
138
147
156
169
177
188
199
207
2110
227
238
2411
259
2610
2711
289
2912
308
3111
3213
3311
349
3513
3611
3714
389
3910
4013
4111
4212
4315
4413
4511
4614
4715
4810
4913
5016
5111
5212
5313
5411
5514
5617
5715
5813
5916
6011
6117
6218
6313
6417
6513
6616
6719
6817
6912
7015
7113
7219
7314
7417
7520
7615
7713
7816
7919

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