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A154554 as a simple table

na(n)
12
23
35
413
517
631
737
841
953
1073
1189
1297
13101
14107
15113
16151
17157
18167
19173
20181
21197
22211
23223
24229
25241
26281
27283
28313
29331
30337
31349
32353
33373
34409
35421
36433
37439
38457
39487
40509
41541
42547
43587
44617
45643
46653
47659
48677
49701
50751
51757
52761
53769
54773
55821

[2,3,5,13,17,31,37,41,53,73,89,97,101,107,113,151,
 157,167,173,181,197,211,223,229,241,281,283,313,
 331,337,349,353,373,409,421,433,439,457,487,509,
 541,547,587,617,643,653,659,677,701,751,757,761,
 769,773,821]