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A291339 as a simple table

na(n)
12
23
37
419
537
647
783
889
9107
10137
11181
12251
13257
14349
15379
16569
17631
18653
19677
20691
21797
22823
23839
24863
25883
26919
271009
281021
291223
301229
311361
321423
331571
341609
351831
361873
371907
381993
392053
402113
412207
422239
432293
442309
452579
462833
473137
483319
493593
503673

[2,3,7,19,37,47,83,89,107,137,181,251,257,349,379,
 569,631,653,677,691,797,823,839,863,883,919,1009,
 1021,1223,1229,1361,1423,1571,1609,1831,1873,1907,
 1993,2053,2113,2207,2239,2293,2309,2579,2833,3137,
 3319,3593,3673]