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A067695 as a simple table

na(n)
11
22
33
42
55
62
77
82
93
102
1111
123
1313
142
153
162
1717
182
1919
205
213
222
2323
243
255
262
273
287
2929
302
3131
322
333
342
355
362
3737
382
393
405
4141
422
4343
4411
455
462
4747
483
497
502
513
5213
5353
542
555
567
573
582
5959
603
6161
622
637
642
655
662
6767
6817
693
702
7171
723
7373
742
753
7619
777
782
7979
805

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