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A073992 as a simple table

n a(n)
1 0
2 0
3 3
4 36
5 210
6 1260
7 8100
8 46656
9 262440
10 1574640
11 9843120
12 60963840
13 369476640
14 2210794560
15 13162730688
16 78364164096
17 468205557120
18 2809233342720
19 16891882995456
20 101559956668416
21 609954817881600
22 3659728907289600
23 21947909832446976
24 131623189859008512

[0,0,3,36,210,1260,8100,46656,262440,1574640,
 9843120,60963840,369476640,2210794560,13162730688,
 78364164096,468205557120,2809233342720,
 16891882995456,101559956668416,609954817881600,
 3659728907289600,21947909832446976,
 131623189859008512]

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Last modified June 10 01:53 EDT 2024. Contains 373251 sequences. (Running on oeis4.)