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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.

A365933 a(n) is the period of the remainders when repdigits are divided by n.

Table of values

n a(n)
1 1
2 9
3 27
4 9
5 9
6 27
7 54
8 9
9 81
10 9
11 18
12 27
13 54
14 54
15 27
16 9
17 144
18 81
19 162
20 9
21 54
22 18
23 198
24 27
25 9
26 54
27 243
28 54
29 252
30 27
31 135
32 9
33 54
34 144
35 54
36 81
37 27
38 162
39 54
40 9
41 45
42 54
43 189
44 18
45 81
46 198
47 414
48 27
49 378
50 9
51 432
52 54
53 117
54 243
55 18
56 54
57 162
58 252
59 522
60 27
61 540
62 135
63 162
64 9
65 54

List of values

[1, 9, 27, 9, 9, 27, 54, 9, 81, 9, 18, 27, 54, 54, 27, 9, 144, 81, 162, 9, 54, 18, 198, 27, 9, 54, 243, 54, 252, 27, 135, 9, 54, 144, 54, 81, 27, 162, 54, 9, 45, 54, 189, 18, 81, 198, 414, 27, 378, 9, 432, 54, 117, 243, 18, 54, 162, 252, 522, 27, 540, 135, 162, 9, 54]

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

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