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A162174 as a simple table

na(n)
15
213
319
423
531
637
743
847
953
1061
1173
1297
13113
14127
15131
16139
17151
18157
19163
20173
21181
22199
23211
24223
25233
26257
27263
28271
29293
30307
31313
32317
33337
34353
35373
36389
37397
38401
39421
40457
41479
42509
43523
44541
45547
46563
47571
48593
49607
50619
51647
52653
53661
54673
55691

[5,13,19,23,31,37,43,47,53,61,73,97,113,127,131,
 139,151,157,163,173,181,199,211,223,233,257,263,
 271,293,307,313,317,337,353,373,389,397,401,421,
 457,479,509,523,541,547,563,571,593,607,619,647,
 653,661,673,691]