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.

A376427 The number of distinct values of x+y+z+w (mod n) when x*y*z*w = 1 (mod n).

Table of values

n a(n)
1 1
2 1
3 3
4 1
5 5
6 3
7 7
8 2
9 5
10 5
11 11
12 3
13 13
14 7
15 15
16 4
17 17
18 5
19 19
20 5
21 21
22 11
23 23
24 6
25 25
26 13
27 15
28 7
29 29
30 15
31 31
32 8
33 33
34 17
35 35
36 5
37 37
38 19
39 39
40 10
41 41
42 21
43 43
44 11
45 25
46 23
47 47
48 12
49 49
50 25
51 51
52 13
53 53
54 15
55 55
56 14
57 57
58 29
59 59
60 15
61 61
62 31
63 35
64 16
65 65
66 33
67 67
68 17
69 69
70 35
71 71
72 10
73 73
74 37
75 75
76 19
77 77
78 39
79 79
80 20
81 45
82 41
83 83
84 21
85 85
86 43
87 87
88 22
89 89
90 25

List of values

[1, 1, 3, 1, 5, 3, 7, 2, 5, 5, 11, 3, 13, 7, 15, 4, 17, 5, 19, 5, 21, 11, 23, 6, 25, 13, 15, 7, 29, 15, 31, 8, 33, 17, 35, 5, 37, 19, 39, 10, 41, 21, 43, 11, 25, 23, 47, 12, 49, 25, 51, 13, 53, 15, 55, 14, 57, 29, 59, 15, 61, 31, 35, 16, 65, 33, 67, 17, 69, 35, 71, 10, 73, 37, 75, 19, 77, 39, 79, 20, 45, 41, 83, 21, 85, 43, 87, 22, 89, 25]