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A003708 as a simple table

n a(n)
0 0
1 1
2 -1
3 4
4 -18
5 110
6 -810
7 7040
8 -70280
9 792200
10 -9945000
11 137550400
12 -2077719600
13 34026132400
14 -600433397200
15 11356783360000
16 -229193571984000
17 4915556301968000
18 -111644265232656000
19 2676908220027392000

[0,1,-1,4,-18,110,-810,7040,-70280,792200,
 -9945000,137550400,-2077719600,34026132400,
 -600433397200,11356783360000,-229193571984000,
 4915556301968000,-111644265232656000,
 2676908220027392000]

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Last modified July 27 02:39 EDT 2021. Contains 346302 sequences. (Running on oeis4.)