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A045891 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 16
5 36
6 80
7 176
8 384
9 832
10 1792
11 3840
12 8192
13 17408
14 36864
15 77824
16 163840
17 344064
18 720896
19 1507328
20 3145728
21 6553600
22 13631488
23 28311552
24 58720256
25 121634816
26 251658240
27 520093696
28 1073741824
29 2214592512
30 4563402752

[1,1,3,7,16,36,80,176,384,832,1792,3840,8192,
 17408,36864,77824,163840,344064,720896,1507328,
 3145728,6553600,13631488,28311552,58720256,
 121634816,251658240,520093696,1073741824,
 2214592512,4563402752]

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Last modified May 13 14:28 EDT 2024. Contains 372519 sequences. (Running on oeis4.)