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A191020 as a simple table

na(n)
113
219
323
429
531
643
747
861
971
1083
1189
1297
13101
14103
15107
16109
17113
18131
19137
20139
21149
22173
23191
24197
25199
26211
27223
28227
29257
30277
31283
32293
33307
34311
35313
36347
37349
38353
39367
40373
41383
42401
43433
44449
45461
46463
47487
48491
49521
50523
51541
52547
53557
54563

[13,19,23,29,31,43,47,61,71,83,89,97,101,103,107,
 109,113,131,137,139,149,173,191,197,199,211,223,
 227,257,277,283,293,307,311,313,347,349,353,367,
 373,383,401,433,449,461,463,487,491,521,523,541,
 547,557,563]