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A163945 as a simple table

na(n)
01
1-1
26
31
4-12
530
6-1
718
8-90
9140
101
11-24
12180
13-560
14630
15-1
1630
17-300
181400
19-3150
202772
211
22-36
23450
24-2800
259450
26-16632
2712012
28-1
2942
30-630
314900
32-22050
3358212
34-84084
3551480
361
37-48
38840
39-7840
4044100
41-155232
42336336
43-411840
44218790

[1,-1,6,1,-12,30,-1,18,-90,140,1,-24,180,-560,630,
 -1,30,-300,1400,-3150,2772,1,-36,450,-2800,9450,
 -16632,12012,-1,42,-630,4900,-22050,58212,-84084,
 51480,1,-48,840,-7840,44100,-155232,336336,
 -411840,218790]