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A260171 as a simple table

na(n)
174
2167
3419
41001
52500
66344
715847
839584
999741
10250297
11626433
121572166
133946872
149894451
1524814854
1662266809
17156182193
18391707889
19982630798
202464919670
216182653471
2215508493498
2338902275855
2497581089767
25244769200723

[74,167,419,1001,2500,6344,15847,39584,99741,
 250297,626433,1572166,3946872,9894451,24814854,
 62266809,156182193,391707889,982630798,2464919670,
 6182653471,15508493498,38902275855,97581089767,
 244769200723]