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A237283 as a simple table

na(n)
12
23
37
413
523
629
759
871
9103
10193
11257
12271
13281
14311
15317
16389
17433
18439
19463
20569
21577
22619
23673
24683
25691
26797
27811
28857
29859
30887
311031
321069
331109
341129
351153
361229
371307
381597
391613
401867
411949
421951
432069
442297
452477
462551
472621
482657
492699
502753

[2,3,7,13,23,29,59,71,103,193,257,271,281,311,317,
 389,433,439,463,569,577,619,673,683,691,797,811,
 857,859,887,1031,1069,1109,1129,1153,1229,1307,
 1597,1613,1867,1949,1951,2069,2297,2477,2551,2621,
 2657,2699,2753]