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A216772 as a simple table

na(n)
15
27
313
419
523
629
731
837
947
1053
1161
1267
1371
1473
1579
1697
17101
18103
19109
20127
21139
22149
23151
24157
25163
26167
27173
28181
29191
30193
31197
32199
33211
34223
35229
36239
37241
38263
39269
40271
41277
42293
43307
44311
45313
46317
47331
48337
49349
50359
51367
52373
53379
54383
55389

[5,7,13,19,23,29,31,37,47,53,61,67,71,73,79,97,
 101,103,109,127,139,149,151,157,163,167,173,181,
 191,193,197,199,211,223,229,239,241,263,269,271,
 277,293,307,311,313,317,331,337,349,359,367,373,
 379,383,389]