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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A309671 as a simple table

na(n)
17
211
313
417
523
683
789
897
9151
10373
11433
12857
134013
148821
1512959

[7,11,13,17,23,83,89,97,151,373,433,857,4013,8821,
 12959]