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A179780 as a simple table

na(n)
123
237
347
467
579
683
789
8113
9127
10131
11163
12167
13233
14251
15277
16293
17307
18317
19331
20337
21353
22359
23367
24379
25383
26389
27409
28439
29443
30449
31479
32503
33547
34557
35577
36587
37613
38631
39647
40677
41683
42691
43701
44709
45719
46727
47739
48751
49757
50773
51787
52797
53839
54853
55863

[23,37,47,67,79,83,89,113,127,131,163,167,233,251,
 277,293,307,317,331,337,353,359,367,379,383,389,
 409,439,443,449,479,503,547,557,577,587,613,631,
 647,677,683,691,701,709,719,727,739,751,757,773,
 787,797,839,853,863]