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A140562 as a simple table

na(n)
12
27
313
419
523
629
731
837
943
1059
1161
1267
1373
1479
1589
1697
17103
18107
19109
20127
21139
22149
23151
24157
25163
26179
27181
28191
29193
30199
31211
32223
33227
34229
35233
36239
37241
38263
39269
40271
41277
42283
43293
44307
45313
46317
47331
48337
49349
50359
51367
52373
53379
54389
55397
56401

[2,7,13,19,23,29,31,37,43,59,61,67,73,79,89,97,
 103,107,109,127,139,149,151,157,163,179,181,191,
 193,199,211,223,227,229,233,239,241,263,269,271,
 277,283,293,307,313,317,331,337,349,359,367,373,
 379,389,397,401]