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A038956 as a simple table

na(n)
13
213
317
419
541
643
753
861
979
1083
1197
12103
13107
14113
15131
16137
17149
18151
19167
20173
21179
22181
23191
24193
25197
26199
27223
28241
29251
30257
31263
32269
33271
34281
35311
36317
37337
38349
39353
40359
41367
42379
43389
44397
45401

[3,13,17,19,41,43,53,61,79,83,97,103,107,113,131,
 137,149,151,167,173,179,181,191,193,197,199,223,
 241,251,257,263,269,271,281,311,317,337,349,353,
 359,367,379,389,397,401]