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A071774 as a simple table

na(n)
13
27
313
417
523
637
743
853
967
1073
1183
1297
13103
14127
15137
16157
17163
18167
19173
20193
21197
22223
23227
24257
25277
26283
27293
28313
29317
30337
31367
32373
33383
34397
35433
36443
37457
38463
39467
40487
41503
42523
43547
44577
45587
46593
47607
48613
49617
50643
51647
52653
53673
54683
55727

[3,7,13,17,23,37,43,53,67,73,83,97,103,127,137,
 157,163,167,173,193,197,223,227,257,277,283,293,
 313,317,337,367,373,383,397,433,443,457,463,467,
 487,503,523,547,577,587,593,607,613,617,643,647,
 653,673,683,727]