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.

A037041 Number of quadratic residues mod n for some n (A000224 sorted and duplicates removed).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 14
13 15
14 16
15 18
16 19
17 20
18 21
19 22
20 23
21 24
22 27
23 28
24 30
25 31
26 32
27 33
28 34
29 36
30 37
31 38
32 40
33 42
34 44
35 45
36 46
37 48
38 49
39 51
40 52
41 53
42 54
43 55
44 56
45 57
46 60
47 62
48 63
49 64
50 66
51 68
52 69
53 70
54 72
55 74
56 75
57 76
58 77
59 79
60 80
61 81
62 82
63 84
64 87
65 88
66 90
67 91
68 92
69 93
70 96
71 97
72 98

List of values

[1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 27, 28, 30, 31, 32, 33, 34, 36, 37, 38, 40, 42, 44, 45, 46, 48, 49, 51, 52, 53, 54, 55, 56, 57, 60, 62, 63, 64, 66, 68, 69, 70, 72, 74, 75, 76, 77, 79, 80, 81, 82, 84, 87, 88, 90, 91, 92, 93, 96, 97, 98]