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.

A163180 a(n) = tau(n) + Sum_{k=1..n} (n mod k).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 7
7 10
8 12
9 15
10 17
11 24
12 23
13 30
14 35
15 40
16 41
17 53
18 53
19 66
20 67
21 74
22 81
23 100
24 93
25 106
26 116
27 129
28 130
29 153
30 146
31 169
32 173
33 188
34 201
35 222
36 207
37 235
38 252
39 273
40 266
41 299
42 292
43 327
44 334
45 345
46 362
47 405
48 384
49 417
50 426
51 453
52 460
53 507
54 500
55 533
56 528
57 557
58 582
59 637
60 598
61 647

List of values

[1, 2, 3, 4, 6, 7, 10, 12, 15, 17, 24, 23, 30, 35, 40, 41, 53, 53, 66, 67, 74, 81, 100, 93, 106, 116, 129, 130, 153, 146, 169, 173, 188, 201, 222, 207, 235, 252, 273, 266, 299, 292, 327, 334, 345, 362, 405, 384, 417, 426, 453, 460, 507, 500, 533, 528, 557, 582, 637, 598, 647]