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A155989 as a simple table

na(n)
13
25
311
417
537
641
747
859
971
1073
1189
12101
13107
14109
15113
16127
17139
18151
19163
20167
21181
22191
23197
24211
25229
26233
27251
28263
29271
30277
31293
32307
33313
34331
35349
36353
37373
38383
39397
40401
41421
42431
43439
44449
45479
46487
47499
48509
49557
50563
51571
52587
53613
54617
55631

[3,5,11,17,37,41,47,59,71,73,89,101,107,109,113,
 127,139,151,163,167,181,191,197,211,229,233,251,
 263,271,277,293,307,313,331,349,353,373,383,397,
 401,421,431,439,449,479,487,499,509,557,563,571,
 587,613,617,631]