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A338568 as a simple table

na(n)
10
21
32
40
53
61
74
80
92
103
115
120
136
144
155
160
177
181
198
202
216
227
239
240
258
269
271
283
2910
301
3111
321
3310
3411
3512
360
3712
3813
3914
402
4113
422
4314
444
455
4615
4715
480
4916
506
5117
527
5316
543
5518
564
5719
5820
5917
600
6118
6221
638
641
6522
663
6719
689
6923
704
7120
720
7321
7424
7510
7611
7725
785
7922
801

[0,1,2,0,3,1,4,0,2,3,5,0,6,4,5,0,7,1,8,2,6,7,9,0,
 8,9,1,3,10,1,11,1,10,11,12,0,12,13,14,2,13,2,14,4,
 5,15,15,0,16,6,17,7,16,3,18,4,19,20,17,0,18,21,8,
 1,22,3,19,9,23,4,20,0,21,24,10,11,25,5,22,1]