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A223490 as a simple table

na(n)
11
22
33
44
55
62
77
82
99
102
1111
123
1313
142
153
1616
1717
182
1919
204
213
222
2323
242
2525
262
273
284
2929
302
3131
322
333
342
355
364
3737
382
393
402
4141
422
4343
444
455
462
4747
483
4949
502
513
524
5353
542
555
562
573
582
5959
603
6161
622
637
644
655
662
6767
684
693
702
7171
722
7373
742
753
764
777
782
7979

[1,2,3,4,5,2,7,2,9,2,11,3,13,2,3,16,17,2,19,4,3,2,
 23,2,25,2,3,4,29,2,31,2,3,2,5,4,37,2,3,2,41,2,43,
 4,5,2,47,3,49,2,3,4,53,2,5,2,3,2,59,3,61,2,7,4,5,
 2,67,4,3,2,71,2,73,2,3,4,7,2,79]