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A219663 as a simple table

n a(n)
1 0
2 1
3 3
4 9
5 34
6 160
7 1106
8 8806
9 68835
10 598355
11 6124625
12 71839629
13 913850187
14 12304189279
15 175964165619 

[0,1,3,9,34,160,1106,8806,68835,598355,6124625,
 71839629,913850187,12304189279,175964165619]

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Last modified May 16 13:05 EDT 2024. Contains 372552 sequences. (Running on oeis4.)