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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A038608 a(n) = n*(-1)^n.

Table of values

n a(n)
0 0
1 -1
2 2
3 -3
4 4
5 -5
6 6
7 -7
8 8
9 -9
10 10
11 -11
12 12
13 -13
14 14
15 -15
16 16
17 -17
18 18
19 -19
20 20
21 -21
22 22
23 -23
24 24
25 -25
26 26
27 -27
28 28
29 -29
30 30
31 -31
32 32
33 -33
34 34
35 -35
36 36
37 -37
38 38
39 -39
40 40
41 -41
42 42
43 -43
44 44
45 -45
46 46
47 -47
48 48
49 -49
50 50
51 -51
52 52
53 -53
54 54
55 -55
56 56
57 -57
58 58
59 -59
60 60
61 -61
62 62
63 -63
64 64
65 -65

List of values

[0, -1, 2, -3, 4, -5, 6, -7, 8, -9, 10, -11, 12, -13, 14, -15, 16, -17, 18, -19, 20, -21, 22, -23, 24, -25, 26, -27, 28, -29, 30, -31, 32, -33, 34, -35, 36, -37, 38, -39, 40, -41, 42, -43, 44, -45, 46, -47, 48, -49, 50, -51, 52, -53, 54, -55, 56, -57, 58, -59, 60, -61, 62, -63, 64, -65]

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