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A215207 as a simple table

na(n)
12
27
341
459
567
6137
7163
8197
9223
10241
11293
12353
13379
14397
15431
16449
17457
18509
19587
20613
21631
22683
23691
24709
25743
26761
27769
28787
29821
30839
31977
321021
331151
341229
351237
361289
371307
381367
391471
401489
411523
421549
431567
441601
451619
461627
471697
481723
491783

[2,7,41,59,67,137,163,197,223,241,293,353,379,397,
 431,449,457,509,587,613,631,683,691,709,743,761,
 769,787,821,839,977,1021,1151,1229,1237,1289,1307,
 1367,1471,1489,1523,1549,1567,1601,1619,1627,1697,
 1723,1783]