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A191042 as a simple table

na(n)
15
211
313
417
531
653
773
883
989
10107
11113
12127
13137
14139
15149
16151
17163
18191
19193
20211
21223
22227
23251
24263
25271
26277
27281
28293
29307
30331
31349
32359
33383
34389
35397
36401
37409
38419
39431
40439
41463
42467
43479
44487
45499
46503
47521
48541
49547
50557
51563
52569
53577
54601

[5,11,13,17,31,53,73,83,89,107,113,127,137,139,
 149,151,163,191,193,211,223,227,251,263,271,277,
 281,293,307,331,349,359,383,389,397,401,409,419,
 431,439,463,467,479,487,499,503,521,541,547,557,
 563,569,577,601]