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A127671 as a simple table

na(n)
11
21
3-1
41
5-3
62
71
8-4
9-3
1012
11-6
121
13-5
14-10
1520
1630
17-60
1824
191
20-6
21-15
22-10
2330
24120
2530
26-120
27-270
28360
29-120
301
31-7
32-21
33-35
3442
35210
36140
37210
38-210
39-1260
40-630
41840
422520
43-2520
44720
451
46-8
47-28
48-56
49-35
5056
51336
52560
53420
54560
55-336
56-2520
57-1680
58-5040
59-630
601680
6113440
6210080
63-6720

[1,1,-1,1,-3,2,1,-4,-3,12,-6,1,-5,-10,20,30,-60,
 24,1,-6,-15,-10,30,120,30,-120,-270,360,-120,1,-7,
 -21,-35,42,210,140,210,-210,-1260,-630,840,2520,
 -2520,720,1,-8,-28,-56,-35,56,336,560,420,560,
 -336,-2520,-1680,-5040,-630,1680,13440,10080,
 -6720]