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A258992 as a simple table

na(n)
15
27
311
417
519
623
731
837
953
1067
11101
12103
13149
14163
15173
16191
17227
18229
19241
20257
21269
22271
23313
24347
25353
26359
27367
28373
29383
30431
31467
32479
33487
34523
35541
36563
37577
38599
39613
40619
41647
42653
43661
44733
45761
46773
47823
48829
49859
50863
51919
52941
531061
541087

[5,7,11,17,19,23,31,37,53,67,101,103,149,163,173,
 191,227,229,241,257,269,271,313,347,353,359,367,
 373,383,431,467,479,487,523,541,563,577,599,613,
 619,647,653,661,733,761,773,823,829,859,863,919,
 941,1061,1087]