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A060819 as a simple table

na(n)
11
21
33
41
55
63
77
82
99
105
1111
123
1313
147
1515
164
1717
189
1919
205
2121
2211
2323
246
2525
2613
2727
287
2929
3015
3131
328
3333
3417
3535
369
3737
3819
3939
4010
4141
4221
4343
4411
4545
4623
4747
4812
4949
5025
5151
5213
5353
5427
5555
5614
5757
5829
5959
6015
6161
6231
6363
6416
6565
6633
6767
6817
6969
7035
7171
7218
7373
7437
7575
7619

[1,1,3,1,5,3,7,2,9,5,11,3,13,7,15,4,17,9,19,5,21,
 11,23,6,25,13,27,7,29,15,31,8,33,17,35,9,37,19,39,
 10,41,21,43,11,45,23,47,12,49,25,51,13,53,27,55,
 14,57,29,59,15,61,31,63,16,65,33,67,17,69,35,71,
 18,73,37,75,19]