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A027298 as a simple table

n a(n)
0 1
1 3
2 8
3 20
4 43
5 101
6 208
7 472
8 958
9 2126
10 4288
11 9368
12 18835
13 40673
14 81632
15 174704
16 350266
17 744290
18 1491232
19 3150424
20 6309246
21 13265138
22 26557408
23 55610960
24 111311068
25 232279836
26 464856832
27 967155824
28 1935314563

[1,3,8,20,43,101,208,472,958,2126,4288,9368,18835,
 40673,81632,174704,350266,744290,1491232,3150424,
 6309246,13265138,26557408,55610960,111311068,
 232279836,464856832,967155824,1935314563]

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)