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A135931 as a simple table

na(n)
12
23
317
419
523
637
741
843
947
1067
1171
1273
1379
1483
1589
1697
17101
18103
19107
20109
21113
22149
23151
24157
25163
26167
27197
28199
29211
30223
31227
32229
33233
34239
35241
36251
37257
38263
39269
40271
41277
42281
43283
44331
45337
46347
47349
48353
49359
50401
51409
52419
53421
54431
55433

[2,3,17,19,23,37,41,43,47,67,71,73,79,83,89,97,
 101,103,107,109,113,149,151,157,163,167,197,199,
 211,223,227,229,233,239,241,251,257,263,269,271,
 277,281,283,331,337,347,349,353,359,401,409,419,
 421,431,433]