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A291279 as a simple table

na(n)
15
211
329
431
559
679
7107
8131
9149
10151
11173
12179
13193
14197
15199
16241
17251
18271
19317
20409
21433
22439
23443
24457
25461
26509
27557
28587
29601
30607
31659
32677
33701
34727
35751
36769
37773
38797
39821
40823
41827
42919
43971
441009
451013
461019
471033
481039
491061
501063
511087

[5,11,29,31,59,79,107,131,149,151,173,179,193,197,
 199,241,251,271,317,409,433,439,443,457,461,509,
 557,587,601,607,659,677,701,727,751,769,773,797,
 821,823,827,919,971,1009,1013,1019,1033,1039,1061,
 1063,1087]