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A189772 as a simple table

na(n)
01
11
20
3-1
42
50
6-20
7100
8-180
9-1540
1018800
11-99900
12-35000
136978400
14-81010800
15418106000
162652650000
17-89962470000
181078639120000
19-4572607130000
20-102140361180000
212809462217120000
22-34739768494600000
2380549366231880000
247017075372032440000

[1,1,0,-1,2,0,-20,100,-180,-1540,18800,-99900,
 -35000,6978400,-81010800,418106000,2652650000,
 -89962470000,1078639120000,-4572607130000,
 -102140361180000,2809462217120000,
 -34739768494600000,80549366231880000,
 7017075372032440000]