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A093574 as a simple table

na(n)
13
25
37
429
511
613
771
817
919
10131
1123
12157
132393
1429
1531
1683537
17307
1837
19419
2041
2143
221013
2347
24601
25701
2653
27757
28615497
2959
3061
311049537
322113
3367
341259
3571
3673
371481
381483
3979
401721
4183
423613
431979
4489
452161
464977017
472351
4897
492549
50101
51103
522861

[3,5,7,29,11,13,71,17,19,131,23,157,2393,29,31,
 83537,307,37,419,41,43,1013,47,601,701,53,757,
 615497,59,61,1049537,2113,67,1259,71,73,1481,1483,
 79,1721,83,3613,1979,89,2161,4977017,2351,97,2549,
 101,103,2861]