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A038967 as a simple table

na(n)
12
23
311
413
519
623
729
831
941
1053
1167
1273
13101
14103
15109
16113
17127
18149
19157
20179
21181
22211
23223
24227
25229
26241
27271
28293
29317
30331
31337
32347
33353
34359
35367
36397
37401
38409
39421
40431
41433
42449
43487
44499
45509

[2,3,11,13,19,23,29,31,41,53,67,73,101,103,109,
 113,127,149,157,179,181,211,223,227,229,241,271,
 293,317,331,337,347,353,359,367,397,401,409,421,
 431,433,449,487,499,509]