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A216496 as a simple table

na(n)
12
23
35
47
511
613
717
819
931
1037
1147
1261
1367
1471
1573
1689
17109
18137
19179
20211
21277
22337
23379
24499
25557

[2,3,5,7,11,13,17,19,31,37,47,61,67,71,73,89,109,
 137,179,211,277,337,379,499,557]