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A111580 as a simple table

n a(n)
1 1
2 -2
3 -2
4 4
5 1
6 4
7 -6
8 -8
9 7
10 -2
11 12
12 -8
13 -12
14 12
15 -2
16 16
17 -16
18 -14
19 20
20 4
21 12
22 -24
23 -22
24 16
25 1
26 24
27 -20
28 -24
29 30
30 4
31 32
32 -32
33 -24
34 32
35 -6
36 28
37 -36
38 -40
39 24
40 -8
41 42
42 -24
43 -42
44 48
45 7
46 44
47 -46
48 -32
49 43
50 -2
51 32
52 -48
53 -52
54 40
55 12
56 48
57 -40
58 -60
59 60
60 -8
61 62
62 -64
63 -42
64 64
65 -12
66 48
67 -66
68 -64
69 44
70 12
71 72
72 -56
73 -72
74 72

[1,-2,-2,4,1,4,-6,-8,7,-2,12,-8,-12,12,-2,16,-16,
 -14,20,4,12,-24,-22,16,1,24,-20,-24,30,4,32,-32,
 -24,32,-6,28,-36,-40,24,-8,42,-24,-42,48,7,44,-46,
 -32,43,-2,32,-48,-52,40,12,48,-40,-60,60,-8,62,
 -64,-42,64,-12,48,-66,-64,44,12,72,-56,-72,72]

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Last modified April 12 21:45 EDT 2021. Contains 342932 sequences. (Running on oeis4.)