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A040145 as a simple table

na(n)
12
23
319
431
559
667
771
879
9101
10103
11107
12127
13149
14151
15157
16167
17179
18211
19223
20227
21229
22233
23277
24307
25313
26331
27349
28379
29383
30397
31431
32439
33457
34461
35487
36523
37547
38557
39563
40577
41593
42599
43607
44613

[2,3,19,31,59,67,71,79,101,103,107,127,149,151,
 157,167,179,211,223,227,229,233,277,307,313,331,
 349,379,383,397,431,439,457,461,487,523,547,557,
 563,577,593,599,607,613]