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A072505 as a simple table

na(n)
11
22
33
42
55
63
77
84
93
105
1111
122
1313
147
155
164
1717
183
1919
205
217
2211
2323
242
255
2613
279
287
2929
301
3131
328
3311
3417
357
363
3737
3819
3913
402
4141
427
4343
4411
453
4623
4747
484
497
505
5117
5213
5353
549
5511
562
5719
5829
5959
601
6161
6231
633
648
6513
6611
6767
6817
6923
701
7171
723
7373
7437
755
7619
7711
7813
7979
802
819
8241
8383

[1,2,3,2,5,3,7,4,3,5,11,2,13,7,5,4,17,3,19,5,7,11,
 23,2,5,13,9,7,29,1,31,8,11,17,7,3,37,19,13,2,41,7,
 43,11,3,23,47,4,7,5,17,13,53,9,11,2,19,29,59,1,61,
 31,3,8,13,11,67,17,23,1,71,3,73,37,5,19,11,13,79,
 2,9,41,83]