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A031368 as a simple table

na(n)
12
25
311
417
523
631
741
847
959
1067
1173
1283
1397
14103
15109
16127
17137
18149
19157
20167
21179
22191
23197
24211
25227
26233
27241
28257
29269
30277
31283
32307
33313
34331
35347
36353
37367
38379
39389
40401
41419
42431
43439
44449
45461
46467
47487
48499
49509
50523
51547
52563

[2,5,11,17,23,31,41,47,59,67,73,83,97,103,109,127,
 137,149,157,167,179,191,197,211,227,233,241,257,
 269,277,283,307,313,331,347,353,367,379,389,401,
 419,431,439,449,461,467,487,499,509,523,547,563]