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A079461 as a simple table

na(n)
00
11
21
30
41
5-2
6-6
70
8-2
912
1024
1136
120
136
14-72
15-240
16-240
17-240
180
19-24
20600
212160
223600
232400
241800
250
26120
27-5760
28-25200
29-45360
30-50400
31-25200
32-15120
330
34-720
3565520
36322560
37705600
38846720
39705600
40282240
41141120
420
435040

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