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A075237 as a simple table

na(n)
12
23
35
411
513
617
719
823
929
1037
1141
1243
1347
1453
1567
1671
1779
1889
1997
20101
21107
22127
23137
24139
25149
26151
27157
28167
29173
30179
31193
32197
33199
34211
35227
36229
37233
38241
39257
40269
41271
42277
43281
44307
45311
46331
47337
48347
49373
50389
51397
52401
53419
54421
55433
56439
57443

[2,3,5,11,13,17,19,23,29,37,41,43,47,53,67,71,79,
 89,97,101,107,127,137,139,149,151,157,167,173,179,
 193,197,199,211,227,229,233,241,257,269,271,277,
 281,307,311,331,337,347,373,389,397,401,419,421,
 433,439,443]