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A070547 as a simple table

na(n)
10
21
32
42
52
63
74
84
95
106
115
125
137
146
157
168
177
189
195
2010
219
2210
239
247
2511
269
2710
2810
298
309
3110
3211
3313
3412
3512
3613
3711
3811
3912
4014
4112
4213
438
4416
4515
4616
4715
4811
4919
5016
5112
5215
5311
5416
5515
5617
5716
5815
5910
6014
6115
6212
6320
6415
6520
6618
6711
6817
6916
7018
7116
7218
7315
7418
7518
7616
7718

[0,1,2,2,2,3,4,4,5,6,5,5,7,6,7,8,7,9,5,10,9,10,9,
 7,11,9,10,10,8,9,10,11,13,12,12,13,11,11,12,14,12,
 13,8,16,15,16,15,11,19,16,12,15,11,16,15,17,16,15,
 10,14,15,12,20,15,20,18,11,17,16,18,16,18,15,18,
 18,16,18]