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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.

A062803 Number of solutions to x^2 == y^2 (mod n).

Table of values

n a(n)
1 1
2 2
3 5
4 8
5 9
6 10
7 13
8 24
9 21
10 18
11 21
12 40
13 25
14 26
15 45
16 64
17 33
18 42
19 37
20 72
21 65
22 42
23 45
24 120
25 65
26 50
27 81
28 104
29 57
30 90
31 61
32 160
33 105
34 66
35 117
36 168
37 73
38 74
39 125
40 216
41 81
42 130
43 85
44 168
45 189
46 90
47 93
48 320
49 133
50 130
51 165
52 200
53 105
54 162
55 189
56 312
57 185
58 114
59 117
60 360
61 121
62 122
63 273

List of values

[1, 2, 5, 8, 9, 10, 13, 24, 21, 18, 21, 40, 25, 26, 45, 64, 33, 42, 37, 72, 65, 42, 45, 120, 65, 50, 81, 104, 57, 90, 61, 160, 105, 66, 117, 168, 73, 74, 125, 216, 81, 130, 85, 168, 189, 90, 93, 320, 133, 130, 165, 200, 105, 162, 189, 312, 185, 114, 117, 360, 121, 122, 273]

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

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