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A092873 as a simple table

na(n)
13
25
311
417
541
683
7137
8257
9641
101097
1117477
1265537
13140417
14557057
152384897
164227137
1735946497
1871304257
19541073537
202281701377
212336497860617
22600470787982337
232278291849363457
244538923050090497
2538280596832649217

[3,5,11,17,41,83,137,257,641,1097,17477,65537,
 140417,557057,2384897,4227137,35946497,71304257,
 541073537,2281701377,2336497860617,
 600470787982337,2278291849363457,4538923050090497,
 38280596832649217]