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A106911 as a simple table

na(n)
12
27
313
417
543
673
783
8107
9127
10167
11173
12193
13197
14227
15233
16263
17277
18283
19293
20307
21337
22347
23373
24457
25503
26523
27547
28557
29563
30593
31607
32613
33673
34677
35733
36743
37787
38827
39853
40857
41877
42887
43937
44953
45967
46997
471033
481063
491097
501117
511163

[2,7,13,17,43,73,83,107,127,167,173,193,197,227,
 233,263,277,283,293,307,337,347,373,457,503,523,
 547,557,563,593,607,613,673,677,733,743,787,827,
 853,857,877,887,937,953,967,997,1033,1063,1097,
 1117,1163]