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A189571 as a simple table

na(n)
13
229
331
437
547
679
783
889
9107
10109
11127
12131
13139
14149
15157
16173
17179
18193
19197
20199
21211
22241
23277
24347
25359
26367
27373
28389
29397
30433
31449
32487
33491
34521
35577
36593
37619
38643
39659
40677
41743
42761
43829
44853
45953
46977
471049
481063
491087
501129
511151
521193

[3,29,31,37,47,79,83,89,107,109,127,131,139,149,
 157,173,179,193,197,199,211,241,277,347,359,367,
 373,389,397,433,449,487,491,521,577,593,619,643,
 659,677,743,761,829,853,953,977,1049,1063,1087,
 1129,1151,1193]