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A125878 as a simple table

na(n)
13
27
311
429
523
653
7103
8191
947
1059
11311
12149
1383
14173
15283
16107
17709
18367
19269
20569
21293
22317
23167
24179
25389
26607
27619
28643
291091
30227
31509
32263
33823
34557
351193
36907
371571
38653
392339
40347
41359
421087
43383
44773
453547
46797
472111
482677
495449
502749
51467

[3,7,11,29,23,53,103,191,47,59,311,149,83,173,283,
 107,709,367,269,569,293,317,167,179,389,607,619,
 643,1091,227,509,263,823,557,1193,907,1571,653,
 2339,347,359,1087,383,773,3547,797,2111,2677,5449,
 2749,467]