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A105668 as a simple table

n a(n)
6 1
7 3
8 12
9 59
10 325
11 1875
12 11029
13 65607
14 393750
15 2382084
16 14517939
17 89091558
18 550217901
19 3418171915
20 21351207168 

[1,3,12,59,325,1875,11029,65607,393750,2382084,
 14517939,89091558,550217901,3418171915,
 21351207168]

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Last modified May 29 15:18 EDT 2024. Contains 372952 sequences. (Running on oeis4.)