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A078991 as a simple table

na(n)
01
10
21
30
41
5-2
60
7-6
8-2
96
100
1136
1224
1312
14-24
150
16-240
17-240
18-240
19-72
20120
210
221800
232400
243600
252160
26600
27-720
280
29-15120
30-25200
31-50400
32-45360
33-25200
34-5760
355040
360
37141120
38282240
39705600
40846720
41705600
42322560
4365520

[1,0,1,0,1,-2,0,-6,-2,6,0,36,24,12,-24,0,-240,
 -240,-240,-72,120,0,1800,2400,3600,2160,600,-720,
 0,-15120,-25200,-50400,-45360,-25200,-5760,5040,0,
 141120,282240,705600,846720,705600,322560,65520]