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A347864 as a simple table

na(n)
12
23
35
47
513
617
723
829
931
1037
1143
1247
1353
1459
1567
1671
1773
1879
1983
2097
21103
22107
23113
24131
25137
26139
27167
28173
29179
30197
31223
32229
33233
34239
35271
36283
37293
38307
39311
40313
41317
42331
43337
44347
45353
46359
47367
48373
49379
50383
51397
52431
53433
54439
55443
56467
57479
58503

[2,3,5,7,13,17,23,29,31,37,43,47,53,59,67,71,73,
 79,83,97,103,107,113,131,137,139,167,173,179,197,
 223,229,233,239,271,283,293,307,311,313,317,331,
 337,347,353,359,367,373,379,383,397,431,433,439,
 443,467,479,503]