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A325627 as a simple table

na(n)
12
25
313
489
5233
61597
7113
828657
9514229
102417
112221
1259369
13433494437
142971215073
1555945741
162710260697
17555003497
181429913
1946165371073
2086020717
2192180471494753
2299194853094755497
231665088321800481
24361040209
25770857978613
26512119709
278242065050061761

[2,5,13,89,233,1597,113,28657,514229,2417,2221,
 59369,433494437,2971215073,55945741,2710260697,
 555003497,1429913,46165371073,86020717,
 92180471494753,99194853094755497,1665088321800481,
 361040209,770857978613,512119709,8242065050061761]