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A002172 as a simple table

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

[-2,6,2,-10,-2,10,14,-10,-6,10,18,-2,6,-14,-22,14,
 22,-26,-18,-14,-2,30,26,-30,2,-26,-18,10,-34,26,
 22,18,-10,34,14,-34,38,2,-6,30,34,-14,42,38,-10,
 -22,-42,38,26,2,-46,10,-34,-38,50,-26,-50,-46,-2,
 -10,30,54,-18,-38,50,-34,22,10,-50,54,46,58,-58,
 50]

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Last modified June 26 20:37 EDT 2019. Contains 324380 sequences. (Running on oeis4.)