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A163420 as a simple table

na(n)
13
25
37
411
517
619
729
831
937
1041
1147
1259
1361
1489
15107
16109
17127
18131
19139
20151
21191
22199
23227
24229
25239
26251
27281
28307
29317
30337
31347
32359
33367
34389
35397
36439
37449
38461
39479
40487
41491
42569
43587
44601
45617
46659
47661
48677
49701
50719
51727
52769
53809
54839
55911
56941

[3,5,7,11,17,19,29,31,37,41,47,59,61,89,107,109,
 127,131,139,151,191,199,227,229,239,251,281,307,
 317,337,347,359,367,389,397,439,449,461,479,487,
 491,569,587,601,617,659,661,677,701,719,727,769,
 809,839,911,941]