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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.

A317180 a(n) is the least positive multiple of n that contains at least one digit 1 in its decimal representation.

Table of values

n a(n)
1 1
2 10
3 12
4 12
5 10
6 12
7 14
8 16
9 18
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 100
21 21
22 110
23 115
24 120
25 100
26 104
27 81
28 112
29 116
30 120
31 31
32 128
33 132
34 102
35 105
36 108
37 111
38 114
39 117
40 120
41 41
42 126
43 129
44 132
45 135
46 138
47 141
48 144
49 147
50 100
51 51
52 104
53 106
54 108
55 110
56 112
57 114

List of values

[1, 10, 12, 12, 10, 12, 14, 16, 18, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 100, 21, 110, 115, 120, 100, 104, 81, 112, 116, 120, 31, 128, 132, 102, 105, 108, 111, 114, 117, 120, 41, 126, 129, 132, 135, 138, 141, 144, 147, 100, 51, 104, 106, 108, 110, 112, 114]

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

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