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A290530 as a simple table

na(n)
111
217
341
447
571
6101
7107
8131
9137
10167
11191
12197
13227
14251
15257
16281
17311
18317
19347
20401
21431
22461
23467
24491
25521
26557
27587
28617
29641
30647
31677
32701
33761
34797
35821
36827
37857
38881
39887
40911
41941
42947
43971
44977
451031
461061
471091
481097
491151
501181
511187
521217
531277

[11,17,41,47,71,101,107,131,137,167,191,197,227,
 251,257,281,311,317,347,401,431,461,467,491,521,
 557,587,617,641,647,677,701,761,797,821,827,857,
 881,887,911,941,947,971,977,1031,1061,1091,1097,
 1151,1181,1187,1217,1277]