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A115167 as a simple table

na(n)
15
219
329
443
551
655
767
869
977
1089
11115
12151
13171
14173
15187
16189
17197
18233
19237
20243
21245
22249
23267
24271
25283
26285
27291
28295
29307
30317
31329
32341
33343
34349
35355
36403
37405
38411
39427
40429
41435
42437
43461
44489
45491
46507
47569
48571
49593
50597
51603
52605
53653
54665

[5,19,29,43,51,55,67,69,77,89,115,151,171,173,187,
 189,197,233,237,243,245,249,267,271,283,285,291,
 295,307,317,329,341,343,349,355,403,405,411,427,
 429,435,437,461,489,491,507,569,571,593,597,603,
 605,653,665]