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A357111 as a simple table

na(n)
11
21
33
41
55
63
77
81
99
101
1111
123
1313
147
1515
161
1717
189
1919
201
211
2211
2323
243
2525
2613
2727
287
2929
303
3131
321
333
3417
3535
369
3737
3819
3939
401
4141
421
4343
4411
4545
4623
4747
483
4949
505
5151
5213
5353
5427
5555
567
5757
5829
5959
603
6161
6231
633
641
6565
663
6767
6817
6923
707
7171
729
7373
7437
7575

[1,1,3,1,5,3,7,1,9,1,11,3,13,7,15,1,17,9,19,1,1,
 11,23,3,25,13,27,7,29,3,31,1,3,17,35,9,37,19,39,1,
 41,1,43,11,45,23,47,3,49,5,51,13,53,27,55,7,57,29,
 59,3,61,31,3,1,65,3,67,17,23,7,71,9,73,37,75]