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A123239 as a simple table

na(n)
12
23
311
413
537
641
759
861
967
1073
1183
12103
13107
14109
15131
16151
17157
18179
19181
20193
21227
22229
23251
24271
25277
26307
27313
28347
29349
30367
31373
32397
33419
34421
35433
36443
37467
38491
39523
40541
41547
42563
43577
44587
45613
46619
47659
48661
49673
50683
51709
52733
53757
54761

[2,3,11,13,37,41,59,61,67,73,83,103,107,109,131,
 151,157,179,181,193,227,229,251,271,277,307,313,
 347,349,367,373,397,419,421,433,443,467,491,523,
 541,547,563,577,587,613,619,659,661,673,683,709,
 733,757,761]