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A163507 as a simple table

na(n)
10
21
32
41
53
62
74
81
94
103
115
122
136
144
156
161
177
184
198
203
218
225
239
242
259
266
278
284
2910
306
3111
321
3310
347
3512
364
3712
388
3912
403
4113
428
4314
445
4512
469
4715
482
4916
509
5114
526
5316
548
5515
564
5716
5810
5917
606
6118
6211
6316
641
6518
6610
6719
687
6918
7012
7120
724
7321
7412
7518
768
7720
7812
7922
803
8116
8213
8323
848
8521
8614

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