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A271367 as a simple table

na(n)
111
213
317
419
541
643
747
871
973
1079
11101
12103
13107
14109
15131
16137
17139
18163
19167
20191
21193
22197
23199
24223
25227
26229
27251
28257
29281
30283
31311
32313
33317
34347
35349
36373
37379
38401
39409
40431
41433
42439
43461
44463
45467
46491
47499
48521
49523
50557
51587
52613
53617

[11,13,17,19,41,43,47,71,73,79,101,103,107,109,
 131,137,139,163,167,191,193,197,199,223,227,229,
 251,257,281,283,311,313,317,347,349,373,379,401,
 409,431,433,439,461,463,467,491,499,521,523,557,
 587,613,617]