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A090395 as a simple table

na(n)
11
21
33
44
55
63
77
82
93
105
1111
122
1313
147
1515
1616
1717
183
1919
2010
2121
2211
2323
243
2525
2613
2727
2814
2929
3015
3131
3216
3333
3417
3535
364
3737
3819
3939
405
4141
4221
4343
4422
4515
4623
4747
4824
4949
5025
5151
5226
5353
5427
5555
567
5757
5829
5959
605
6161
6231
6321
6464
6565
6633
6767
6834
6969
7035
7171
726
7373
7437
7525
7638

[1,1,3,4,5,3,7,2,3,5,11,2,13,7,15,16,17,3,19,10,
 21,11,23,3,25,13,27,14,29,15,31,16,33,17,35,4,37,
 19,39,5,41,21,43,22,15,23,47,24,49,25,51,26,53,27,
 55,7,57,29,59,5,61,31,21,64,65,33,67,34,69,35,71,
 6,73,37,25,38]