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A122850 as a simple table

na(n)
01
10
21
30
4-1
51
60
73
8-3
91
100
11-15
1215
13-6
141
150
16105
17-105
1845
19-10
201
210
22-945
23945
24-420
25105
26-15
271
280
2910395
30-10395
314725
32-1260
33210
34-21
351
360
37-135135
38135135
39-62370
4017325
41-3150
42378
43-28
441
450
462027025
47-2027025
48945945
49-270270
5051975
51-6930
52630
53-36
541

[1,0,1,0,-1,1,0,3,-3,1,0,-15,15,-6,1,0,105,-105,
 45,-10,1,0,-945,945,-420,105,-15,1,0,10395,-10395,
 4725,-1260,210,-21,1,0,-135135,135135,-62370,
 17325,-3150,378,-28,1,0,2027025,-2027025,945945,
 -270270,51975,-6930,630,-36,1]