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A045331 as a simple table

na(n)
12
23
37
413
519
631
737
843
961
1067
1173
1279
1397
14103
15109
16127
17139
18151
19157
20163
21181
22193
23199
24211
25223
26229
27241
28271
29277
30283
31307
32313
33331
34337
35349
36367
37373
38379
39397
40409
41421
42433
43439
44457
45463
46487
47499
48523
49541
50547
51571
52577
53601
54607
55613

[2,3,7,13,19,31,37,43,61,67,73,79,97,103,109,127,
 139,151,157,163,181,193,199,211,223,229,241,271,
 277,283,307,313,331,337,349,367,373,379,397,409,
 421,433,439,457,463,487,499,523,541,547,571,577,
 601,607,613]