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.

A165917 a(n) = sum of the squarefree quadratic non-residues of n.

Table of values

n a(n)
1 0
2 0
3 2
4 5
5 5
6 7
7 14
8 23
9 16
10 12
11 25
12 44
13 31
14 37
15 55
16 86
17 56
18 73
19 57
20 117
21 100
22 95
23 141
24 188
25 117
26 86
27 143
28 193
29 138
30 172
31 216
32 287
33 233
34 161
35 251
36 393
37 231
38 264
39 403
40 520
41 319
42 390
43 328
44 571
45 552
46 398
47 509
48 706
49 442
50 422
51 489
52 731
53 429
54 581
55 707
56 898
57 657
58 477

List of values

[0, 0, 2, 5, 5, 7, 14, 23, 16, 12, 25, 44, 31, 37, 55, 86, 56, 73, 57, 117, 100, 95, 141, 188, 117, 86, 143, 193, 138, 172, 216, 287, 233, 161, 251, 393, 231, 264, 403, 520, 319, 390, 328, 571, 552, 398, 509, 706, 442, 422, 489, 731, 429, 581, 707, 898, 657, 477]