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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.

A177496 a(n) is the least k such that the remainder when 1000^k is divided by k is n.

Table of values

n a(n)
1 3
2 62
3 997
4 6
5 115
6 7
7 51
8 14
9 991
10 11
11 23
12 13
13 21
14 17
15 197
16 24
17 983
18 158
19 109
20 35
21 89
22 42
23 977
24 61
25 39
26 34
27 139
28 36
29 971
30 38
31 3291
32 188
33 967
34 66
35 193
36 92
37 57
38 74
39 999161
40 52
41 137
42 479
43 69
44 239
45 191
46 53
47 953
48 49
49 317
50 70
51 73
52 79
53 947
54 65291
55 63
56 59
57 448991
58 114
59 941

List of values

[3, 62, 997, 6, 115, 7, 51, 14, 991, 11, 23, 13, 21, 17, 197, 24, 983, 158, 109, 35, 89, 42, 977, 61, 39, 34, 139, 36, 971, 38, 3291, 188, 967, 66, 193, 92, 57, 74, 999161, 52, 137, 479, 69, 239, 191, 53, 953, 49, 317, 70, 73, 79, 947, 65291, 63, 59, 448991, 114, 941]