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A191022 as a simple table

na(n)
15
27
313
423
553
659
767
871
983
10103
11107
12109
13139
14149
15151
16167
17173
18179
19181
20197
21199
22223
23227
24233
25239
26241
27257
28277
29281
30283
31313
32347
33349
34353
35373
36383
37397
38401
39419
40431
41439
42457
43463
44487
45499
46509
47521
48523
49547
50557
51571
52587
53593
54613

[5,7,13,23,53,59,67,71,83,103,107,109,139,149,151,
 167,173,179,181,197,199,223,227,233,239,241,257,
 277,281,283,313,347,349,353,373,383,397,401,419,
 431,439,457,463,487,499,509,521,523,547,557,571,
 587,593,613]