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A094485 as a simple table

na(n)
1-1
22
3-2
4-6
59
6-3
724
8-44
924
10-4
11-120
12250
13-175
1450
15-5
16720
17-1644
181350
19-510
2090
21-6
22-5040
2312348
24-11368
255145
26-1225
27147
28-7
2940320
30-104544
31105056
32-54152
3315680
34-2576
35224
36-8
37-362880
38986256
39-1063116
40605556
41-202041
4240824
43-4914
44324
45-9
463628800
47-10265760
4811727000
49-7236800

[-1,2,-2,-6,9,-3,24,-44,24,-4,-120,250,-175,50,-5,
 720,-1644,1350,-510,90,-6,-5040,12348,-11368,5145,
 -1225,147,-7,40320,-104544,105056,-54152,15680,
 -2576,224,-8,-362880,986256,-1063116,605556,
 -202041,40824,-4914,324,-9,3628800,-10265760,
 11727000,-7236800]