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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.

A119972 a(n) = n * A034947(n).

Table of values

n a(n)
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
66 66
67 -67
68 68
69 69
70 -70
71 -71
72 72
73 73
74 74
75 -75

List of values

[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, 66, -67, 68, 69, -70, -71, 72, 73, 74, -75]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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