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A129990 as a simple table

na(n)
12
23
35
47
511
617
719
823
929
1031
1141
1243
1371
1479
1597
16173
17179
18257
19269
20311
21389
22691
234957
248423
2511801
2614621
2725621
2826951
2938993
3075743
31102031
32191671
33668869

[2,3,5,7,11,17,19,23,29,31,41,43,71,79,97,173,179,
 257,269,311,389,691,4957,8423,11801,14621,25621,
 26951,38993,75743,102031,191671,668869]