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A247896 as a simple table

na(n)
129
243
361
467
589
6167
7227
8239
9263
10269
11281
12349
13367
14389
15439
16457
17461
18463
19487
20499
21521
22563
23601
24607
25613
26641
27643
28647
29653
30677
31683
32821
33827
34983
351063
361229
371277
381283
391289
401361
411367
421423
431427
441429
451447
461481
471483
481489
491549
501601

[29,43,61,67,89,167,227,239,263,269,281,349,367,
 389,439,457,461,463,487,499,521,563,601,607,613,
 641,643,647,653,677,683,821,827,983,1063,1229,
 1277,1283,1289,1361,1367,1423,1427,1429,1447,1481,
 1483,1489,1549,1601]