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A214912 as a simple table

na(n)
15
211
317
423
559
673
783
897
9109
10137
11157
12167
13191
14197
15211
16227
17233
18257
19277
20307
21331
22379
23419
24439
25509
26547
27571
28599
29643
30661
31677
32691
33709
34727
35797
36823
37853
38877
39947
40977
41991
421009
431031
441051
451087
461103
471117
481153
491171
501229
511259
521289
531303
541319
551367
561381
571453
581471
591489
601597
611621
621663
631709
641753
651867
661879
671901
681933

[5,11,17,23,59,73,83,97,109,137,157,167,191,197,
 211,227,233,257,277,307,331,379,419,439,509,547,
 571,599,643,661,677,691,709,727,797,823,853,877,
 947,977,991,1009,1031,1051,1087,1103,1117,1153,
 1171,1229,1259,1289,1303,1319,1367,1381,1453,1471,
 1489,1597,1621,1663,1709,1753,1867,1879,1901,1933]