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A261580 as a simple table

na(n)
15
213
329
437
553
661
7101
8109
9137
10149
11157
12173
13181
14197
15229
16269
17277
18293
19317
20349
21373
22389
23397
24421
25461
26509
27521
28541
29557
30569
31593
32613
33653
34661
35677
36701
37709
38733
39757
40773
41797
42821
43829
44853
45857
46877
47941
48953
49997
501013
511021
521061
531069

[5,13,29,37,53,61,101,109,137,149,157,173,181,197,
 229,269,277,293,317,349,373,389,397,421,461,509,
 521,541,557,569,593,613,653,661,677,701,709,733,
 757,773,797,821,829,853,857,877,941,953,997,1013,
 1021,1061,1069]