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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.

A316111 a(n) is the smallest k > 1 such that gcd(k, n^k - n) = 1, for n > 1.

Table of values

n a(n)
2 35
3 35
4 77
5 77
6 143
7 55
8 55
9 77
10 119
11 119
12 35
13 55
14 187
15 143
16 77
17 35
18 35
19 77
20 143
21 247
22 95
23 35
24 77
25 77
26 77
27 55
28 55
29 143
30 77
31 77
32 35
33 35
34 247
35 143
36 143
37 35
38 35
39 77
40 77
41 143
42 55
43 95
44 119
45 119
46 77
47 35
48 55
49 143
50 143
51 77
52 35
53 35
54 119
55 299
56 221
57 55
58 35
59 77
60 77
61 77
62 55
63 55
64 187
65 119

List of values

[35, 35, 77, 77, 143, 55, 55, 77, 119, 119, 35, 55, 187, 143, 77, 35, 35, 77, 143, 247, 95, 35, 77, 77, 77, 55, 55, 143, 77, 77, 35, 35, 247, 143, 143, 35, 35, 77, 77, 143, 55, 95, 119, 119, 77, 35, 55, 143, 143, 77, 35, 35, 119, 299, 221, 55, 35, 77, 77, 77, 55, 55, 187, 119]

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

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