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A008297 as a simple table

na(n)
1-1
22
31
4-6
5-6
6-1
724
836
912
101
11-120
12-240
13-120
14-20
15-1
16720
171800
181200
19300
2030
211
22-5040
23-15120
24-12600
25-4200
26-630
27-42
28-1
2940320
30141120
31141120
3258800
3311760
341176
3556
361
37-362880
38-1451520
39-1693440
40-846720
41-211680
42-28224
43-2016
44-72
45-1
463628800
4716329600
4821772800
4912700800

[-1,2,1,-6,-6,-1,24,36,12,1,-120,-240,-120,-20,-1,
 720,1800,1200,300,30,1,-5040,-15120,-12600,-4200,
 -630,-42,-1,40320,141120,141120,58800,11760,1176,
 56,1,-362880,-1451520,-1693440,-846720,-211680,
 -28224,-2016,-72,-1,3628800,16329600,21772800,
 12700800]