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A260171 as a simple table

n a(n)
1 74
2 167
3 419
4 1001
5 2500
6 6344
7 15847
8 39584
9 99741
10 250297
11 626433
12 1572166
13 3946872
14 9894451
15 24814854
16 62266809
17 156182193
18 391707889
19 982630798
20 2464919670
21 6182653471
22 15508493498
23 38902275855
24 97581089767
25 244769200723

[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]

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Last modified August 4 06:58 EDT 2020. Contains 336201 sequences. (Running on oeis4.)