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A257117 as a simple table

na(n)
137
2109
3193
4229
5277
6313
7349
8389
9397
10401
11449
12457
13509
14613
15661
16673
17701
18757
19761
20769
21797
22853
23929
24937
25997
261009
271093
281109
291193
301201
311213
321237
331373
341429
351489
361549
371597
381609
391637
401669

[37,109,193,229,277,313,349,389,397,401,449,457,
 509,613,661,673,701,757,761,769,797,853,929,937,
 997,1009,1093,1109,1193,1201,1213,1237,1373,1429,
 1489,1549,1597,1609,1637,1669]