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A163951 as a simple table

n a(n)
0 0
1 0
2 1
3 9
4 93
5 1155
6 17025
7 292383
8 5752131
9 127790505
10 3167896005
11 86756071545
12 2602658092419
13 84917405260779
14 2994675198208785
15 113538315994418175
16 4606094297461892895
17 199122610252964803857
18 9139190793845641425261
19 443881600924216704982425

[0,0,1,9,93,1155,17025,292383,5752131,127790505,
 3167896005,86756071545,2602658092419,
 84917405260779,2994675198208785,
 113538315994418175,4606094297461892895,
 199122610252964803857,9139190793845641425261,
 443881600924216704982425]

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Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)