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A155552 as a simple table

na(n)
15
213
323
429
543
653
779
8127
9157
10167
11173
12223
13227
14229
15233
16239
17257
18263
19271
20277
21283
22293
23313
24317
25337
26353
27373
28379
29433
30523
31557
32563
33577
34647
35757
36773
37797
38839
39853
40859
41863
42887
43977
441103
451117
461123
471153
481171
491187
501193
511217

[5,13,23,29,43,53,79,127,157,167,173,223,227,229,
 233,239,257,263,271,277,283,293,313,317,337,353,
 373,379,433,523,557,563,577,647,757,773,797,839,
 853,859,863,887,977,1103,1117,1123,1153,1171,1187,
 1193,1217]