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.

A165914 a(n) = sum of the squarefree quadratic residues of n.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 1
6 4
7 3
8 1
9 8
10 12
11 9
12 1
13 14
14 21
15 17
16 1
17 31
18 31
19 47
20 6
21 23
22 49
23 25
24 1
25 72
26 103
27 72
28 22
29 77
30 72
31 58
32 18
33 72
34 177
35 121
36 14
37 176
38 180
39 79
40 1
41 202
42 172
43 276
44 76
45 95
46 249
47 184
48 34
49 298
50 318
51 251
52 60
53 362
54 263
55 137
56 1
57 242
58 479
59 448
60 22
61 456
62 432
63 214
64 149

List of values

[0, 1, 1, 1, 1, 4, 3, 1, 8, 12, 9, 1, 14, 21, 17, 1, 31, 31, 47, 6, 23, 49, 25, 1, 72, 103, 72, 22, 77, 72, 58, 18, 72, 177, 121, 14, 176, 180, 79, 1, 202, 172, 276, 76, 95, 249, 184, 34, 298, 318, 251, 60, 362, 263, 137, 1, 242, 479, 448, 22, 456, 432, 214, 149]