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A309392 as a simple table

na(n)
13
25
33
411
57
65
717
813
97
103
1129
1219
1311
145
153
1641
1737
1813
1911
207
215
2259
2343
2417
2523
2613
277
283
2971
3067
3123
3229
3319
3411
355
363
37101
3879
3931
4053
4131
4217
4317
447
455
46107
4797
4837
4959
5037
5119
5223
5313
5411
553
56137
57103
5841
5971
6043
6129
6229
6331
6413
6511
667
67149
68109

[3,5,3,11,7,5,17,13,7,3,29,19,11,5,3,41,37,13,11,
 7,5,59,43,17,23,13,7,3,71,67,23,29,19,11,5,3,101,
 79,31,53,31,17,17,7,5,107,97,37,59,37,19,23,13,11,
 3,137,103,41,71,43,29,29,31,13,11,7,149,109]