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A129825 as a simple table

na(n)
00
11
21
31
40
5-4
60
7120
80
9-12096
100
113024000
120
13-1576143360
140
151525620096000
160
17-2522591034163200
180
196686974460694528000
200
21-27033456071346536448000
220
23160078872315904478576640000
240
25-1342964491649083924630732800000
260
2715522270327163593186886877184000000
280

[0,1,1,1,0,-4,0,120,0,-12096,0,3024000,0,
 -1576143360,0,1525620096000,0,-2522591034163200,0,
 6686974460694528000,0,-27033456071346536448000,0,
 160078872315904478576640000,0,
 -1342964491649083924630732800000,0,
 15522270327163593186886877184000000,0]