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A287615 as a simple table

na(n)
15
213
319
429
537
647
779
8101
997
10103
11113
12131
13127
14137
15181
16199
17181
18227
19233
20229
21239
22257
23277
24283
25311
26307
27317
28409
29383
30367
31389
32409
33439
34521
35463
36509
37491
38509
39613
40571
41541
42563
43577
44587
45619
46653
47677
48677
49709
50743
51787
52853
53743
54877

[5,13,19,29,37,47,79,101,97,103,113,131,127,137,
 181,199,181,227,233,229,239,257,277,283,311,307,
 317,409,383,367,389,409,439,521,463,509,491,509,
 613,571,541,563,577,587,619,653,677,677,709,743,
 787,853,743,877]