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A208569 as a simple table

na(n)
11
21
32
41
54
62
73
81
98
104
115
122
137
143
156
161
1716
188
199
204
2113
225
2312
242
2515
267
2710
283
2914
306
3111
321
3332
3416
3517
368
3725
389
3924
404
4129
4213
4320
445
4528
4612
4721
482
4931
5015
5118
527
5326
5410
5523
563
5730
5814
5919
606
6127
6211
6322
641
6564
6632
6733
6816
6949
7017
7148
728
7357

[1,1,2,1,4,2,3,1,8,4,5,2,7,3,6,1,16,8,9,4,13,5,12,
 2,15,7,10,3,14,6,11,1,32,16,17,8,25,9,24,4,29,13,
 20,5,28,12,21,2,31,15,18,7,26,10,23,3,30,14,19,6,
 27,11,22,1,64,32,33,16,49,17,48,8,57]