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A124840 as a simple table

n a(n)
1 1
2 1
3 -2
4 1
5 -4
6 2
7 1
8 -6
9 6
10 -1
11 1
12 -8
13 12
14 -4
15 -2
16 1
17 -10
18 20
19 -10
20 -10
21 10
22 1
23 -12
24 30
25 -20
26 -30
27 60
28 -30
29 1
30 -14
31 42
32 -35
33 -70
34 210
35 -210
36 76
37 1
38 -16
39 46
40 -56
41 -140
42 560
43 -840
44 608
45 -173

[1,1,-2,1,-4,2,1,-6,6,-1,1,-8,12,-4,-2,1,-10,20,
 -10,-10,10,1,-12,30,-20,-30,60,-30,1,-14,42,-35,
 -70,210,-210,76,1,-16,46,-56,-140,560,-840,608,
 -173]

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Last modified June 10 00:22 EDT 2024. Contains 373251 sequences. (Running on oeis4.)