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.

A004125 Sum of remainders of n mod k, for k = 1, 2, 3, ..., n.

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 4
6 3
7 8
8 8
9 12
10 13
11 22
12 17
13 28
14 31
15 36
16 36
17 51
18 47
19 64
20 61
21 70
22 77
23 98
24 85
25 103
26 112
27 125
28 124
29 151
30 138
31 167
32 167
33 184
34 197
35 218
36 198
37 233
38 248
39 269
40 258
41 297
42 284
43 325
44 328
45 339
46 358
47 403
48 374
49 414
50 420
51 449
52 454
53 505
54 492
55 529
56 520
57 553
58 578
59 635
60 586
61 645
62 672

List of values

[0, 0, 1, 1, 4, 3, 8, 8, 12, 13, 22, 17, 28, 31, 36, 36, 51, 47, 64, 61, 70, 77, 98, 85, 103, 112, 125, 124, 151, 138, 167, 167, 184, 197, 218, 198, 233, 248, 269, 258, 297, 284, 325, 328, 339, 358, 403, 374, 414, 420, 449, 454, 505, 492, 529, 520, 553, 578, 635, 586, 645, 672]

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

Content is available under The OEIS End-User License Agreement.