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A340105 as a simple table

na(n)
11
27
313
419
523
629
737
843
947
1053
1161
1271
1373
1479
1589
1691
1797
18101
19103
20107
21113
22131
23133
24137
25139
26149
27151
28161
29163
30167
31173
32181
33193
34197
35199
36203
37223
38227
39229
40233
41239
42247
43251
44257
45259
46263
47269
48271
49281
50293
51299
52301
53307
54311
55313
56317

[1,7,13,19,23,29,37,43,47,53,61,71,73,79,89,91,97,
 101,103,107,113,131,133,137,139,149,151,161,163,
 167,173,181,193,197,199,203,223,227,229,233,239,
 247,251,257,259,263,269,271,281,293,299,301,307,
 311,313,317]