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A191052 as a simple table

na(n)
12
27
311
413
517
641
747
867
989
10101
11103
12109
13113
14131
15137
16139
17151
18181
19191
20199
21223
22241
23251
24263
25269
26277
27283
28293
29311
30313
31317
32349
33359
34373
35389
36397
37439
38443
39449
40457
41461
42463
43467
44479
45487
46491
47499
48503
49523
50547
51563
52569
53571
54599

[2,7,11,13,17,41,47,67,89,101,103,109,113,131,137,
 139,151,181,191,199,223,241,251,263,269,277,283,
 293,311,313,317,349,359,373,389,397,439,443,449,
 457,461,463,467,479,487,491,499,503,523,547,563,
 569,571,599]