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A015909 as a simple table

na(n)
11
21
33
43
55
62
77
87
99
104
1111
123
1313
146
153
1615
1717
188
1919
204
2121
2210
2323
248
2525
2612
2727
283
2929
305
3131
3231
3333
3416
357
368
3737
3818
3918
4015
4141
426
4343
4411
4545
4622
4747
4815
4949
5024
5121
524
5353
5426
5522
567
5757
5828
5959
6015
6161
6230
6363
6463
6565
662
6767
6816
6969
705
7171
728
7373
7436
7518
768
7777
7812
7979
8015
8181
8240
8383
8420
8515
8642
8712
8832
8989
909
917
9223
9393
9446
9538
9632
9797
9848
9999
10024

[1,1,3,3,5,2,7,7,9,4,11,3,13,6,3,15,17,8,19,4,21,
 10,23,8,25,12,27,3,29,5,31,31,33,16,7,8,37,18,18,
 15,41,6,43,11,45,22,47,15,49,24,21,4,53,26,22,7,
 57,28,59,15,61,30,63,63,65,2,67,16,69,5,71,8,73,
 36,18,8,77,12,79,15,81,40,83,20,15,42,12,32,89,9,
 7,23,93,46,38,32,97,48,99,24]