cp's OEIS Frontend

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.

A231818 Least positive k such that k*n^n - 1 is a prime, or 0 if no such k exists.

Table of values

n a(n)
1 3
2 1
3 2
4 5
5 6
6 3
7 6
8 39
9 18
10 6
11 12
12 19
13 8
14 23
15 10
16 3
17 76
18 13
19 90
20 26
21 52
22 45
23 124
24 12
25 60
26 27
27 10
28 99
29 126
30 11
31 50
32 27
33 28
34 59
35 6
36 80
37 122
38 71
39 110
40 21
41 72
42 111
43 590
44 147
45 178
46 84
47 238
48 12
49 138
50 236
51 10
52 53
53 6
54 60
55 98
56 72
57 620
58 30
59 166
60 5
61 98
62 18
63 22
64 384
65 126

List of values

[3, 1, 2, 5, 6, 3, 6, 39, 18, 6, 12, 19, 8, 23, 10, 3, 76, 13, 90, 26, 52, 45, 124, 12, 60, 27, 10, 99, 126, 11, 50, 27, 28, 59, 6, 80, 122, 71, 110, 21, 72, 111, 590, 147, 178, 84, 238, 12, 138, 236, 10, 53, 6, 60, 98, 72, 620, 30, 166, 5, 98, 18, 22, 384, 126]

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

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