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A038919 as a simple table

na(n)
12
25
323
431
537
641
743
859
961
1073
1183
12103
13107
14113
15127
16131
17139
18163
19173
20197
21223
22241
23251
24269
25271
26277
27283
28307
29337
30349
31353
32359
33367
34373
35379
36389
37401
38409
39419
40431
41433
42443
43449
44461
45467

[2,5,23,31,37,41,43,59,61,73,83,103,107,113,127,
 131,139,163,173,197,223,241,251,269,271,277,283,
 307,337,349,353,359,367,373,379,389,401,409,419,
 431,433,443,449,461,467]