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A007348 as a simple table

na(n)
13
217
329
431
543
661
767
871
983
1097
11107
12109
13113
14149
15151
16163
17181
18191
19193
20199
21227
22229
23233
24257
25269
26283
27307
28311
29313
30337
31347
32359
33389
34431
35433
36439
37443
38461
39467
40479
41509
42523
43541
44563
45577
46587
47593
48599
49631
50683
51701
52709
53719
54787
55821
56827
57839

[3,17,29,31,43,61,67,71,83,97,107,109,113,149,151,
 163,181,191,193,199,227,229,233,257,269,283,307,
 311,313,337,347,359,389,431,433,439,443,461,467,
 479,509,523,541,563,577,587,593,599,631,683,701,
 709,719,787,821,827,839]