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A067909 as a simple table

na(n)
12
23
35
47
511
671
7107
8139
9311
10607
112309
125881
137681
148779
1556929
1674357
1784979
184667387
195334157
2020276141
2126483123
222171218163
2310779703787
249776786310757
2548539968117013
26108156137341297

[2,3,5,7,11,71,107,139,311,607,2309,5881,7681,
 8779,56929,74357,84979,4667387,5334157,20276141,
 26483123,2171218163,10779703787,9776786310757,
 48539968117013,108156137341297]