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A331699 as a simple table

n a(n)
1 2
2 6
3 14
4 30
5 60
6 118
7 236
8 460
9 914
10 1810
11 3608
12 7158
13 14310
14 28504
15 56978
16 113778
17 227484
18 454534
19 909050
20 1817232
21 3634344
22 7267198
23 14534120
24 29064982
25 58129922
26 116253394
27 232506236
28 465000468
29 929999880
30 1859974762
31 3719949488
32 7439848936
33 14879695742

[2,6,14,30,60,118,236,460,914,1810,3608,7158,
 14310,28504,56978,113778,227484,454534,909050,
 1817232,3634344,7267198,14534120,29064982,
 58129922,116253394,232506236,465000468,929999880,
 1859974762,3719949488,7439848936,14879695742]

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Last modified September 12 12:46 EDT 2024. Contains 375851 sequences. (Running on oeis4.)