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A322287 as a simple table

n a(n)
1 0
2 0
3 1
4 23
5 210
6 1996
7 20661
8 205366
9 2048662
10 20502004
11 204951472

[0,0,1,23,210,1996,20661,205366,2048662,20502004,
 204951472]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)