cp's OEIS Frontend

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.

A109940 Largest k-digit multiple of n where k is the number of digits in n.

Table of values

n a(n)
1 9
2 8
3 9
4 8
5 5
6 6
7 7
8 8
9 9
10 90
11 99
12 96
13 91
14 98
15 90
16 96
17 85
18 90
19 95
20 80
21 84
22 88
23 92
24 96
25 75
26 78
27 81
28 84
29 87
30 90
31 93
32 96
33 99
34 68
35 70
36 72
37 74
38 76
39 78
40 80
41 82
42 84
43 86
44 88
45 90
46 92
47 94
48 96
49 98
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

List of values

[9, 8, 9, 8, 5, 6, 7, 8, 9, 90, 99, 96, 91, 98, 90, 96, 85, 90, 95, 80, 84, 88, 92, 96, 75, 78, 81, 84, 87, 90, 93, 96, 99, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67]

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

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