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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.

A338792 a(n) is the least number k such that 1/prime(k) has repeating decimal expansion of period n.

Table of values

n a(n)
0 1
1 2
2 5
3 12
4 26
5 13
6 4
7 52
8 21
9 28693
10 1128
11 2431
12 1221
13 16
14 71954
15 11
16 7
17 153888
18 8
19 27417323062119920
20 496
21 14
22 9
23 223378173194137397198
24 5760923
25 2403
26 149
27 134
28 10
29 452
30 47
31 406
32 71
33 19
34 27
35 20
36 37607875619
37 150886
38 22544062111497849

List of values

[1, 2, 5, 12, 26, 13, 4, 52, 21, 28693, 1128, 2431, 1221, 16, 71954, 11, 7, 153888, 8, 27417323062119920, 496, 14, 9, 223378173194137397198, 5760923, 2403, 149, 134, 10, 452, 47, 406, 71, 19, 27, 20, 37607875619, 150886, 22544062111497849]

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

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