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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.

A055119 Base-9 complement of n (write n in base 9, then replace each digit with its base-9 negative).

Table of values

n a(n)
0 0
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
9 72
10 80
11 79
12 78
13 77
14 76
15 75
16 74
17 73
18 63
19 71
20 70
21 69
22 68
23 67
24 66
25 65
26 64
27 54
28 62
29 61
30 60
31 59
32 58
33 57
34 56
35 55
36 45
37 53
38 52
39 51
40 50
41 49
42 48
43 47
44 46
45 36
46 44
47 43
48 42
49 41
50 40
51 39
52 38
53 37
54 27
55 35
56 34
57 33
58 32
59 31
60 30
61 29
62 28
63 18
64 26
65 25
66 24
67 23
68 22
69 21
70 20
71 19

List of values

[0, 8, 7, 6, 5, 4, 3, 2, 1, 72, 80, 79, 78, 77, 76, 75, 74, 73, 63, 71, 70, 69, 68, 67, 66, 65, 64, 54, 62, 61, 60, 59, 58, 57, 56, 55, 45, 53, 52, 51, 50, 49, 48, 47, 46, 36, 44, 43, 42, 41, 40, 39, 38, 37, 27, 35, 34, 33, 32, 31, 30, 29, 28, 18, 26, 25, 24, 23, 22, 21, 20, 19]

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

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