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A256267 as a simple table

na(n)
12
22
33
42
55
63
77
82
93
105
1111
1213
1313
147
155
162
1717
183
1919
205
217
2211
2323
2429
255
2613
273
287
2929
3031
3131
322
3311
3417
357
3637
3737
3819
3913
4041
4141
427
4343
4411
4547
4623
4747
4853
497
505
5117
5213
5353
543
5511
5659
5719
5829
5959
6061
6161
6231
6367
642
6513
6611
6767
6817
6923
7071
7171
7273

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