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.

A354139 a(n) is the least positive integer m such that (k+1)^n + (k+2)^n + ... + (k+m)^n == 0 (mod n) for every positive integer k.

Table of values

n a(n)
1 1
2 4
3 3
4 8
5 5
6 36
7 7
8 16
9 3
10 20
11 11
12 72
13 13
14 28
15 15
16 32
17 17
18 108
19 19
20 200
21 21
22 44
23 23
24 144
25 5
26 52
27 3
28 56
29 29
30 180
31 31
32 64
33 33
34 68
35 35
36 216
37 37
38 76
39 39
40 400
41 41
42 1764
43 43
44 88
45 15
46 92
47 47
48 288
49 7
50 20
51 51
52 104
53 53
54 324
55 55
56 112
57 57
58 116
59 59
60 1800
61 61
62 124
63 21
64 128
65 65
66 396
67 67
68 136
69 69
70 140
71 71

List of values

[1, 4, 3, 8, 5, 36, 7, 16, 3, 20, 11, 72, 13, 28, 15, 32, 17, 108, 19, 200, 21, 44, 23, 144, 5, 52, 3, 56, 29, 180, 31, 64, 33, 68, 35, 216, 37, 76, 39, 400, 41, 1764, 43, 88, 15, 92, 47, 288, 7, 20, 51, 104, 53, 324, 55, 112, 57, 116, 59, 1800, 61, 124, 21, 128, 65, 396, 67, 136, 69, 140, 71]