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A309649 as a simple table

na(n)
11
27
313
419
523
629
737
843
947
1053
1161
1271
1373
1479
1589
1697
17101
18103
19107
20113
21131
22137
23139
24149
25151
26163
27167
28173
29181
30193
31197
32199
33223
34227
35229
36233
37239
38251
39257
40263

[1,7,13,19,23,29,37,43,47,53,61,71,73,79,89,97,
 101,103,107,113,131,137,139,149,151,163,167,173,
 181,193,197,199,223,227,229,233,239,251,257,263]