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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.

A196777 Sum (mod n) of the distinct residues of x^n (mod n), x=0..n-1.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 0
6 2
7 0
8 1
9 0
10 5
11 0
12 2
13 0
14 0
15 0
16 1
17 0
18 2
19 0
20 2
21 0
22 0
23 0
24 2
25 0
26 13
27 0
28 0
29 0
30 0
31 0
32 1
33 0
34 17
35 0
36 2
37 0
38 0
39 0
40 2
41 0
42 4
43 0
44 22
45 0
46 0
47 0
48 2
49 0
50 25
51 0
52 0
53 0
54 2
55 0
56 28
57 0
58 29
59 0
60 4
61 0
62 0
63 0
64 1
65 0
66 0
67 0
68 17
69 0
70 0
71 0
72 2
73 0
74 37
75 0
76 38
77 0
78 0
79 0
80 2
81 0
82 41
83 0
84 4

List of values

[0, 1, 0, 1, 0, 2, 0, 1, 0, 5, 0, 2, 0, 0, 0, 1, 0, 2, 0, 2, 0, 0, 0, 2, 0, 13, 0, 0, 0, 0, 0, 1, 0, 17, 0, 2, 0, 0, 0, 2, 0, 4, 0, 22, 0, 0, 0, 2, 0, 25, 0, 0, 0, 2, 0, 28, 0, 29, 0, 4, 0, 0, 0, 1, 0, 0, 0, 17, 0, 0, 0, 2, 0, 37, 0, 38, 0, 0, 0, 2, 0, 41, 0, 4]

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