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A013164 as a simple table

na(n)
01
10
24
3-6
451
5-180
61710
7-9450
8105525
9-793800
1010319400
11-98232750
121463667975
13-16856739900
14283755121650
15-3834908327250
1672041492147625
17-1117601855370000
1823190238498927500
19-406108574195073750

[1,0,4,-6,51,-180,1710,-9450,105525,-793800,
 10319400,-98232750,1463667975,-16856739900,
 283755121650,-3834908327250,72041492147625,
 -1117601855370000,23190238498927500,
 -406108574195073750]