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A355278 as a simple table

na(n)
12
23
37
45
52
611
77
813
93
1019
1111
125
1317
142
1523
1613
1719
187
1929
203
2137
2217
2311
2423
255
2631
272
2841
2919
3029
3113
3237
337
3443
353
3653
3723
3817
3931
4011
4141
425
4347
442
4559
4629
4737
4819
4943
5013
5153
527
5361
543
5571
5631
5723
5841
5917
6047
6111
6259
635
6467
652
6673
6737
6843
6929

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