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A038952 as a simple table

na(n)
12
27
319
429
537
641
743
847
959
1061
1167
1271
1379
1497
15101
16103
17109
18131
19157
20167
21173
22179
23181
24197
25199
26229
27233
28239
29241
30257
31269
32283
33311
34313
35317
36337
37347
38353
39367
40373
41379
42421
43433
44443
45449
46457

[2,7,19,29,37,41,43,47,59,61,67,71,79,97,101,103,
 109,131,157,167,173,179,181,197,199,229,233,239,
 241,257,269,283,311,313,317,337,347,353,367,373,
 379,421,433,443,449,457]