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A124842 as a simple table

n a(n)
1 1
2 1
3 -1
4 1
5 -2
6 2
7 1
8 -3
9 6
10 -3
11 1
12 -4
13 12
14 -12
15 3
16 1
17 -5
18 20
19 -30
20 15
21 0
22 1
23 -6
24 30
25 -60
26 45
27 0
28 -10
29 1
30 -7
31 42
32 -105
33 105
34 0
35 -70
36 35
37 1
38 -8
39 56
40 -168
41 210
42 0
43 -280
44 280
45 -90

[1,1,-1,1,-2,2,1,-3,6,-3,1,-4,12,-12,3,1,-5,20,
 -30,15,0,1,-6,30,-60,45,0,-10,1,-7,42,-105,105,0,
 -70,35,1,-8,56,-168,210,0,-280,280,-90]

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Last modified April 24 06:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)