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A019370 as a simple table

na(n)
12
27
313
417
547
653
773
883
9103
10107
11113
12127
13137
14163
15167
16173
17193
18197
19223
20227
21233
22257
23263
24277
25293
26307
27313
28317
29337
30347
31353
32383
33397
34443
35457
36463
37467
38487
39503
40523
41547
42557
43563
44577
45587
46593
47613
48617
49647
50653
51673
52677
53683
54727
55733
56743

[2,7,13,17,47,53,73,83,103,107,113,127,137,163,
 167,173,193,197,223,227,233,257,263,277,293,307,
 313,317,337,347,353,383,397,443,457,463,467,487,
 503,523,547,557,563,577,587,593,613,617,647,653,
 673,677,683,727,733,743]