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A092055 as a simple table

n a(n)
0 1
1 4
2 20
3 120
4 816
5 5984
6 45760
7 357760
8 2829056
9 22500864
10 179481600
11 1433753600
12 11461636096
13 91659526144
14 733141975040
15 5864598896640
16 46914643623936
17 375308558925824
18 3002434111406080
19 24019335451770880
20 192154133857304576
21 1537230871833083904
22 12297838178567454720

[1,4,20,120,816,5984,45760,357760,2829056,
 22500864,179481600,1433753600,11461636096,
 91659526144,733141975040,5864598896640,
 46914643623936,375308558925824,3002434111406080,
 24019335451770880,192154133857304576,
 1537230871833083904,12297838178567454720]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)