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A245176 as a simple table

n a(n)
0 1
1 2
2 4
3 8
4 18
5 44
6 120
7 352
8 1116
9 3736
10 13232
11 48928
12 189080
13 757584
14 3148064
15 13497600
16 59704336
17 271503648
18 1268817472
19 6078518912
20 29837183008
21 149789875904
22 768674514816
23 4026518397440
24 21518708975040
25 117199152735616
26 650184360936192
27 3670861106911744

[1,2,4,8,18,44,120,352,1116,3736,13232,48928,
 189080,757584,3148064,13497600,59704336,271503648,
 1268817472,6078518912,29837183008,149789875904,
 768674514816,4026518397440,21518708975040,
 117199152735616,650184360936192,3670861106911744]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)