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.

A130290 Number of nonzero quadratic residues modulo the n-th prime.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 5
6 6
7 8
8 9
9 11
10 14
11 15
12 18
13 20
14 21
15 23
16 26
17 29
18 30
19 33
20 35
21 36
22 39
23 41
24 44
25 48
26 50
27 51
28 53
29 54
30 56
31 63
32 65
33 68
34 69
35 74
36 75
37 78
38 81
39 83
40 86
41 89
42 90
43 95
44 96
45 98
46 99
47 105
48 111
49 113
50 114
51 116
52 119
53 120
54 125
55 128
56 131
57 134
58 135
59 138
60 140
61 141
62 146
63 153
64 155
65 156
66 158

List of values

[1, 1, 2, 3, 5, 6, 8, 9, 11, 14, 15, 18, 20, 21, 23, 26, 29, 30, 33, 35, 36, 39, 41, 44, 48, 50, 51, 53, 54, 56, 63, 65, 68, 69, 74, 75, 78, 81, 83, 86, 89, 90, 95, 96, 98, 99, 105, 111, 113, 114, 116, 119, 120, 125, 128, 131, 134, 135, 138, 140, 141, 146, 153, 155, 156, 158]