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A127305 as a simple table

na(n)
12
213
347
471
5101
6151
7193
8239
9241
10293
11331
12337
13359
14383
15397
16401
17421
18463
19487
20557
21577
22709
23773
24797
25821
26929
271019
281031
291069
301093
311103
321181
331217
341249
351327
361367
371423
381499
391571
401759
411787
421789
431831
441871
451877
461913
471933
482053

[2,13,47,71,101,151,193,239,241,293,331,337,359,
 383,397,401,421,463,487,557,577,709,773,797,821,
 929,1019,1031,1069,1093,1103,1181,1217,1249,1327,
 1367,1423,1499,1571,1759,1787,1789,1831,1871,1877,
 1913,1933,2053]