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A067774 as a simple table

na(n)
12
27
313
419
523
631
737
843
947
1053
1161
1267
1373
1479
1583
1689
1797
18103
19109
20113
21127
22131
23139
24151
25157
26163
27167
28173
29181
30193
31199
32211
33223
34229
35233
36241
37251
38257
39263
40271
41277
42283
43293
44307
45313
46317
47331
48337
49349
50353
51359
52367
53373
54379
55383
56389

[2,7,13,19,23,31,37,43,47,53,61,67,73,79,83,89,97,
 103,109,113,127,131,139,151,157,163,167,173,181,
 193,199,211,223,229,233,241,251,257,263,271,277,
 283,293,307,313,317,331,337,349,353,359,367,373,
 379,383,389]