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A274457 as a simple table

na(n)
11
21
33
42
55
62
77
82
93
105
1111
123
1313
147
153
164
1717
183
1919
204
213
2211
2323
243
255
2613
279
284
2929
305
3131
324
3311
3417
355
364
3737
3819
3913
404
4141
426
4343
444
455
4623
4747
484
497
505
5117
524
5353
546
555
564
5719
5829
5959
604
6161
6231
637
644
655
666
6767
6817
6923
705
7171
726
7373
7437
755
7619
777
786
7979
805
819
8241
8383
846
855
8643
8729
888
8989
905
917
9223
9331
9447
955
966
9797
987
999
1005
101101
1026
103103
1048
1055
10653

[1,1,3,2,5,2,7,2,3,5,11,3,13,7,3,4,17,3,19,4,3,11,
 23,3,5,13,9,4,29,5,31,4,11,17,5,4,37,19,13,4,41,6,
 43,4,5,23,47,4,7,5,17,4,53,6,5,4,19,29,59,4,61,31,
 7,4,5,6,67,17,23,5,71,6,73,37,5,19,7,6,79,5,9,41,
 83,6,5,43,29,8,89,5,7,23,31,47,5,6,97,7,9,5,101,6,
 103,8,5,53]