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A072243 as a simple table

n a(n)
0 1
1 1
2 2
3 8
4 32
5 142
6 668
7 3264
8 16444
9 84756
10 444793
11 2368800
12 12769602
13 69545358
14 382075868
15 2114965120
16 11784471548
17 66043042088
18 372022512608
19 2105220502772
20 11962163400706
21 68223286792200
22 390406746862530
23 2240962117491470
24 12899456450932840

[1,1,2,8,32,142,668,3264,16444,84756,444793,
 2368800,12769602,69545358,382075868,2114965120,
 11784471548,66043042088,372022512608,
 2105220502772,11962163400706,68223286792200,
 390406746862530,2240962117491470,
 12899456450932840]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)