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.

A230366 a(n) = Sum_{k=1..floor(n/2)} (k^2 mod n).

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 5
6 8
7 7
8 6
9 12
10 25
11 22
12 19
13 39
14 42
15 35
16 28
17 68
18 69
19 76
20 65
21 91
22 110
23 92
24 74
25 125
26 169
27 144
28 147
29 203
30 190
31 186
32 152
33 242
34 289
35 245
36 201
37 333
38 342
39 286
40 270
41 410
42 413
43 430
44 363
45 420
46 460
47 423
48 340
49 490
50 575
51 578
52 585
53 689
54 666
55 605
56 546
57 760
58 841

List of values

[0, 1, 1, 1, 5, 8, 7, 6, 12, 25, 22, 19, 39, 42, 35, 28, 68, 69, 76, 65, 91, 110, 92, 74, 125, 169, 144, 147, 203, 190, 186, 152, 242, 289, 245, 201, 333, 342, 286, 270, 410, 413, 430, 363, 420, 460, 423, 340, 490, 575, 578, 585, 689, 666, 605, 546, 760, 841]