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A280697 as a simple table

na(n)
11
22
33
42
55
62
77
82
93
105
1111
123
1313
142
155
164
1717
186
1919
205
213
222
2323
246
2525
2613
279
284
2929
3010
3131
328
333
3417
355
362
3737
3819
3913
4010
4141
426
4343
444
4515
4623
4747
4812
497
5025
5117
5213
5353
543
555
568
5719
582
5959
6015
6161
6231
639
6416
6565
666
6767
6817
6923
7010
7171
724
7373
7437
7525
7619
777
7826
7979
8020
8127
8241
8383
8412
8585
8643
873
888
8989
905
9113
9223
9331
942
9595
9624
9797
9814
999
10025
101101

[1,2,3,2,5,2,7,2,3,5,11,3,13,2,5,4,17,6,19,5,3,2,
 23,6,25,13,9,4,29,10,31,8,3,17,5,2,37,19,13,10,41,
 6,43,4,15,23,47,12,7,25,17,13,53,3,5,8,19,2,59,15,
 61,31,9,16,65,6,67,17,23,10,71,4,73,37,25,19,7,26,
 79,20,27,41,83,12,85,43,3,8,89,5,13,23,31,2,95,24,
 97,14,9,25,101]