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A191053 as a simple table

na(n)
12
25
311
417
547
653
767
871
973
1079
1197
12107
13109
14131
15139
16157
17167
18173
19179
20199
21223
22227
23233
24251
25257
26263
27269
28271
29277
30283
31307
32311
33317
34331
35347
36367
37373
38401
39409
40443
41449
42461
43463
44467
45479
46487
47509
48523
49587
50601
51607
52613
53619
54631

[2,5,11,17,47,53,67,71,73,79,97,107,109,131,139,
 157,167,173,179,199,223,227,233,251,257,263,269,
 271,277,283,307,311,317,331,347,367,373,401,409,
 443,449,461,463,467,479,487,509,523,587,601,607,
 613,619,631]