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A344040 as a simple table

n a(n)
0 1
1 3
2 6
3 12
4 24
5 48
6 96
7 192
8 384
9 738
10 1446
11 2832
12 5544
13 10818
14 21138
15 40980
16 79848
17 155406
18 302526
19 587232
20 1141620
21 2214102
22 4300410
23 8340876
24 16188108
25 31368204
26 60840540
27 117858042
28 228471396
29 442435860
30 857273136
31 1659450072
32 3214094028
33 6220079160

[1,3,6,12,24,48,96,192,384,738,1446,2832,5544,
 10818,21138,40980,79848,155406,302526,587232,
 1141620,2214102,4300410,8340876,16188108,31368204,
 60840540,117858042,228471396,442435860,857273136,
 1659450072,3214094028,6220079160]

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Last modified August 3 14:40 EDT 2021. Contains 346438 sequences. (Running on oeis4.)