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A253972 as a simple table

na(n)
13
211
353
459
561
671
773
8107
9113
10139
11157
12173
13179
14191
15227
16233
17239
18257
19283
20293
21311
22317
23347
24353
25373
26419
27431
28433
29523
30541
31547
32557
33593
34599
35601
36631
37653
38659
39677
40691
41733
42773
43787
44811
45827
46919
47941
48953
49977
501013
511019
521031
531033

[3,11,53,59,61,71,73,107,113,139,157,173,179,191,
 227,233,239,257,283,293,311,317,347,353,373,419,
 431,433,523,541,547,557,593,599,601,631,653,659,
 677,691,733,773,787,811,827,919,941,953,977,1013,
 1019,1031,1033]