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A031907 as a simple table

na(n)
13
223
353
483
5113
6157
7193
8233
9271
10313
11359
12401
13443
14487
15541
16587
17619
18661
19719
20761
21821
22859
23911
24967
251013
261051
271097
281153
291213
301259
311301
321367
331429
341471
351511
361567
371609
381663
391721
401777
411831
421879
431949
441999
452053

[3,23,53,83,113,157,193,233,271,313,359,401,443,
 487,541,587,619,661,719,761,821,859,911,967,1013,
 1051,1097,1153,1213,1259,1301,1367,1429,1471,1511,
 1567,1609,1663,1721,1777,1831,1879,1949,1999,2053]