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A146392 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 9
7 23
8 77
9 415
10 2809
11 21039
12 202829
13 2557861
14 41110329
15 812468577
16 20241517719
17 638623731453
18 25413793552471 

[1,1,1,1,3,9,23,77,415,2809,21039,202829,2557861,
 41110329,812468577,20241517719,638623731453,
 25413793552471]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)