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A045421 as a simple table

na(n)
13
27
311
417
531
653
759
867
973
10101
11109
12137
13151
14157
15179
16193
17199
18227
19241
20263
21269
22277
23283
24311
25347
26353
27367
28389
29409
30431
31479
32487
33521
34557
35563
36571
37577
38599
39613
40619
41641
42647
43661
44683
45739

[3,7,11,17,31,53,59,67,73,101,109,137,151,157,179,
 193,199,227,241,263,269,277,283,311,347,353,367,
 389,409,431,479,487,521,557,563,571,577,599,613,
 619,641,647,661,683,739]