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.

A309192 a(n) = Sum_{k=1..n} mu(k)^2 * k * floor(n/k).

Table of values

n a(n)
1 1
2 4
3 8
4 11
5 17
6 29
7 37
8 40
9 44
10 62
11 74
12 86
13 100
14 124
15 148
16 151
17 169
18 181
19 201
20 219
21 251
22 287
23 311
24 323
25 329
26 371
27 375
28 399
29 429
30 501
31 533
32 536
33 584
34 638
35 686
36 698
37 736
38 796
39 852
40 870
41 912
42 1008
43 1052
44 1088
45 1112
46 1184
47 1232
48 1244
49 1252
50 1270
51 1342
52 1384
53 1438
54 1450
55 1522

List of values

[1, 4, 8, 11, 17, 29, 37, 40, 44, 62, 74, 86, 100, 124, 148, 151, 169, 181, 201, 219, 251, 287, 311, 323, 329, 371, 375, 399, 429, 501, 533, 536, 584, 638, 686, 698, 736, 796, 852, 870, 912, 1008, 1052, 1088, 1112, 1184, 1232, 1244, 1252, 1270, 1342, 1384, 1438, 1450, 1522]