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A292161 as a simple table

na(n)
01
1-1
2-4
3-18
4-32
5-75
61188
72205
87936
919278
1049500
1187120
12185760
13312988
14574868
15-10481175
16-15271936
17-46022672
18-98470404
19-230150496
20-440484000
21-932930208
22-1572331596
23-2940575576
24-4940815104
25-8508211250
26-13542949524
27-22406625648

[1,-1,-4,-18,-32,-75,1188,2205,7936,19278,49500,
 87120,185760,312988,574868,-10481175,-15271936,
 -46022672,-98470404,-230150496,-440484000,
 -932930208,-1572331596,-2940575576,-4940815104,
 -8508211250,-13542949524,-22406625648]