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A068786 as a simple table

n a(n)
1 1
2 2
3 6
4 16
5 40
6 192
7 896
8 4096
9 17536
10 69632
11 270336
12 1048576
13 4126720
14 16515072
15 66584576
16 268435456
17 1077968896
18 4311744512
19 17213423616
20 68719476736
21 274608947200
22 1098437885952
23 4395899027456
24 17592186044416
25 70385932435456
26 281543696187392

[1,2,6,16,40,192,896,4096,17536,69632,270336,
 1048576,4126720,16515072,66584576,268435456,
 1077968896,4311744512,17213423616,68719476736,
 274608947200,1098437885952,4395899027456,
 17592186044416,70385932435456,281543696187392]

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Last modified September 9 22:43 EDT 2024. Contains 375765 sequences. (Running on oeis4.)