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A296930 as a simple table

na(n)
15
219
329
437
541
643
747
859
961
1067
1173
1283
1397
14103
15109
16113
17127
18151
19173
20179
21181
22191
23193
24197
25223
26233
27239
28241
29251
30263
31269
32271
33277
34307
35313
36317
37331
38337
39359
40383
41397
42401
43443
44449
45463
46467
47491
48521
49523
50541
51563
52587
53599
54601
55617
56631

[5,19,29,37,41,43,47,59,61,67,73,83,97,103,109,
 113,127,151,173,179,181,191,193,197,223,233,239,
 241,251,263,269,271,277,307,313,317,331,337,359,
 383,397,401,443,449,463,467,491,521,523,541,563,
 587,599,601,617,631]