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A052105 as a simple table

n a(n)
0 1
1 1
2 4
3 48
4 1
5 3840
6 92160
7 645120
8 3440640
9 30965760
10 14863564800
11 24222105600
12 7847962214400
13 40809403514880
14 5713316492083200
15 7617755322777600
16 5484783832399872000
17 5328075722902732800
18 1220613711064989696000 

[1,1,4,48,1,3840,92160,645120,3440640,30965760,
 14863564800,24222105600,7847962214400,
 40809403514880,5713316492083200,7617755322777600,
 5484783832399872000,5328075722902732800,
 1220613711064989696000]

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Last modified June 11 01:51 EDT 2024. Contains 373288 sequences. (Running on oeis4.)