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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.

A075017 Smallest k such that the concatenation k, k+1,k+2,k+3 is divisible by n; or 0 if no such number exists.

Table of values

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

List of values

[1, 1, 3, 3, 2, 3, 2, 3, 3, 7, 8, 3, 7, 17, 12, 3, 5, 3, 19, 17, 24, 15, 17, 3, 22, 7, 3, 17, 17, 27, 6, 3, 15, 5, 2, 3, 9, 19, 15, 17, 15, 45, 44, 37, 12, 17, 39, 3, 45, 47, 21, 41, 52, 3, 37, 17, 57, 17, 62, 57, 53, 53, 66, 3, 7, 15, 2, 21, 63, 17, 12, 3, 6, 9, 72]

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