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A138188 as a simple table

n a(n)
0 1
1 -3
2 0
3 3
4 -5
5 0
6 5
7 -7
8 0
9 7
10 -9
11 0
12 9
13 -11
14 0
15 11
16 -13
17 0
18 13
19 -15
20 0
21 15
22 -17
23 0
24 17
25 -19
26 0
27 19
28 -21
29 0
30 21
31 -23
32 0
33 23
34 -25
35 0
36 25
37 -27
38 0
39 27
40 -29
41 0
42 29
43 -31
44 0
45 31
46 -33
47 0
48 33
49 -35
50 0
51 35
52 -37
53 0
54 37
55 -39
56 0
57 39
58 -41
59 0
60 41

[1,-3,0,3,-5,0,5,-7,0,7,-9,0,9,-11,0,11,-13,0,13,
 -15,0,15,-17,0,17,-19,0,19,-21,0,21,-23,0,23,-25,
 0,25,-27,0,27,-29,0,29,-31,0,31,-33,0,33,-35,0,35,
 -37,0,37,-39,0,39,-41,0,41]

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Last modified May 11 21:35 EDT 2021. Contains 343808 sequences. (Running on oeis4.)