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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.

A073792 Replace 5^k with (-5)^k in base 5 expansion of n.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 -5
6 -4
7 -3
8 -2
9 -1
10 -10
11 -9
12 -8
13 -7
14 -6
15 -15
16 -14
17 -13
18 -12
19 -11
20 -20
21 -19
22 -18
23 -17
24 -16
25 25
26 26
27 27
28 28
29 29
30 20
31 21
32 22
33 23
34 24
35 15
36 16
37 17
38 18
39 19
40 10
41 11
42 12
43 13
44 14
45 5
46 6
47 7
48 8
49 9
50 50
51 51
52 52
53 53
54 54
55 45
56 46
57 47
58 48
59 49
60 40
61 41
62 42
63 43
64 44
65 35
66 36
67 37
68 38
69 39
70 30
71 31
72 32
73 33
74 34

List of values

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

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