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A013292 as a simple table

na(n)
01
10
20
30
43
5-40
6250
7-1008
86937
9-107280
101460724
11-16878400
12198206107
13-2751120216
1445257093830
15-796023874800
1614139937791153
17-259510939790752
185134675490787400
19-109869768885171456

[1,0,0,0,3,-40,250,-1008,6937,-107280,1460724,
 -16878400,198206107,-2751120216,45257093830,
 -796023874800,14139937791153,-259510939790752,
 5134675490787400,-109869768885171456]