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A092640 as a simple table

n a(n)
1 0
2 5
3 20
4 101
5 751
6 5949
7 49010
8 418366
9 3627049
10 32067600
11 287357618

[0,5,20,101,751,5949,49010,418366,3627049,
 32067600,287357618]

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Last modified July 22 18:23 EDT 2024. Contains 374540 sequences. (Running on oeis4.)