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A191037 as a simple table

na(n)
13
27
311
419
523
637
743
861
971
10101
11103
12131
13151
14157
15163
16167
17199
18211
19223
20229
21233
22239
23241
24251
25257
26269
27281
28293
29307
30313
31317
32331
33353
34379
35383
36389
37401
38421
39431
40439
41443
42457
43461
44463
45467
46487
47491
48521
49541
50563
51593
52619
53631
54647

[3,7,11,19,23,37,43,61,71,101,103,131,151,157,163,
 167,199,211,223,229,233,239,241,251,257,269,281,
 293,307,313,317,331,353,379,383,389,401,421,431,
 439,443,457,461,463,467,487,491,521,541,563,593,
 619,631,647]