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A038911 as a simple table

na(n)
15
27
313
417
519
623
729
831
943
1059
1167
1273
1397
14107
15109
16127
17131
18139
19149
20157
21163
22173
23199
24251
25257
26263
27271
28281
29293
30311
31313
32347
33353
34389
35397
36401
37419
38421
39433
40439
41443
42449
43463
44479
45487
46541

[5,7,13,17,19,23,29,31,43,59,67,73,97,107,109,127,
 131,139,149,157,163,173,199,251,257,263,271,281,
 293,311,313,347,353,389,397,401,419,421,433,439,
 443,449,463,479,487,541]