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A079021 as a simple table

na(n)
17
219
331
437
561
667
779
8109
9127
10151
11157
12211
13241
14271
15331
16337
17397
18409
19421
20457
21487
22499
23541
24619
25661
26739
27751
28787
29919
30991
311069
321129
331471
341531
351597
361867
372221
382287
392671
402707
412797
422857
433187
443301
453391
463637
474651
486547
4912637
5017011
5190001

[7,19,31,37,61,67,79,109,127,151,157,211,241,271,
 331,337,397,409,421,457,487,499,541,619,661,739,
 751,787,919,991,1069,1129,1471,1531,1597,1867,
 2221,2287,2671,2707,2797,2857,3187,3301,3391,3637,
 4651,6547,12637,17011,90001]