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A038963 as a simple table

na(n)
12
23
37
411
513
623
729
831
937
1041
1143
1253
1359
1483
1589
16101
17109
18137
19139
20151
21173
22191
23211
24223
25227
26229
27263
28269
29271
30281
31283
32311
33313
34337
35349
36353
37389
38397
39401
40421
41433
42449
43463
44487
45503
46523

[2,3,7,11,13,23,29,31,37,41,43,53,59,83,89,101,
 109,137,139,151,173,191,211,223,227,229,263,269,
 271,281,283,311,313,337,349,353,389,397,401,421,
 433,449,463,487,503,523]