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A090133 as a simple table

na(n)
01
10
2-5
320
4-55
5120
6-205
7220
8145
9-1680
105995
11-15580
1232345
13-51480
1444195
1580620
16-543455
171770720
18-4365605
198608820
20-12607255
217384920
2233496595
23-170910980
24516160945
25-1210088880
262259550795
27-2987758780
28653281145
2912325669320

[1,0,-5,20,-55,120,-205,220,145,-1680,5995,-15580,
 32345,-51480,44195,80620,-543455,1770720,-4365605,
 8608820,-12607255,7384920,33496595,-170910980,
 516160945,-1210088880,2259550795,-2987758780,
 653281145,12325669320]