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A080898 as a simple table

na(n)
12
25
317
441
589
6197
7401
8821
91657
103329
116673
1213381
1313399
1426833
1553681
16107453
17214939
18429889
19429901
20859861
211719799
223439663
236879361
2413758803
2527517687

[2,5,17,41,89,197,401,821,1657,3329,6673,13381,
 13399,26833,53681,107453,214939,429889,429901,
 859861,1719799,3439663,6879361,13758803,27517687]