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A259686 as a simple table

na(n)
11
23
31
417
51
63
71
83
95
101
115
127
137
143
151
161
175
1811
191
2015
215
227
231
241
251
261
271
287
291
309
3115
321
331
341
351
365
379
387
3917
401
4197
427
43799
4411
4549
4617
471
483
491
501
5163
521
531
5455
55161
563
571
581
591
601
611
62161
637
641
651
661
671
687
693783
701
717
721697
7321
74319
7521
76911
773
781

[1,3,1,17,1,3,1,3,5,1,5,7,7,3,1,1,5,11,1,15,5,7,1,
 1,1,1,1,7,1,9,15,1,1,1,1,5,9,7,17,1,97,7,799,11,
 49,17,1,3,1,1,63,1,1,55,161,3,1,1,1,1,1,161,7,1,1,
 1,1,7,3783,1,7,1697,21,319,21,911,3,1]