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A045440 as a simple table

na(n)
15
27
311
419
529
643
747
853
961
1067
1171
1289
13103
14109
15113
16127
17131
18137
19151
20173
21179
22193
23197
24211
25229
26239
27257
28263
29271
30277
31281
32313
33337
34347
35379
36383
37389
38397
39421
40431
41439
42449
43463
44467
45487

[5,7,11,19,29,43,47,53,61,67,71,89,103,109,113,
 127,131,137,151,173,179,193,197,211,229,239,257,
 263,271,277,281,313,337,347,379,383,389,397,421,
 431,439,449,463,467,487]