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A078055 as a simple table

na(n)
01
1-3
28
3-24
470
5-204
6596
7-1740
85080
9-14832
1043304
11-126432
12369136
13-1077744
143146624
15-9187008
1626822752
17-78312768
18228645056
19-667561152
201949037952
21-5690488320
2216614174848
23-48507402240
24141624130816
25-413491415808
261207245897728
27-3524722888704
2810290920404480

[1,-3,8,-24,70,-204,596,-1740,5080,-14832,43304,
 -126432,369136,-1077744,3146624,-9187008,26822752,
 -78312768,228645056,-667561152,1949037952,
 -5690488320,16614174848,-48507402240,141624130816,
 -413491415808,1207245897728,-3524722888704,
 10290920404480]