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A007452 as a simple table

na(n)
01
1-1
20
33
4-6
530
60
7-630
82520
9-22680
100
111247400
12-7484400
1397297200
140
15-10216206000
1681729648000
17-1389404016000
180
19237588086736000
20-2375880867360000
2149893498214560000
220
23-12623055048283680000

[1,-1,0,3,-6,30,0,-630,2520,-22680,0,1247400,
 -7484400,97297200,0,-10216206000,81729648000,
 -1389404016000,0,237588086736000,
 -2375880867360000,49893498214560000,0,
 -12623055048283680000]