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.

A341636 a(n) = Sum_{d|n} phi(d) * tau(d) * tau(n/d).

Table of values

n a(n)
1 1
2 4
3 6
4 13
5 10
6 24
7 14
8 38
9 29
10 40
11 22
12 78
13 26
14 56
15 60
16 103
17 34
18 116
19 38
20 130
21 84
22 88
23 46
24 228
25 79
26 104
27 124
28 182
29 58
30 240
31 62
32 264
33 132
34 136
35 140
36 377
37 74
38 152
39 156
40 380
41 82
42 336
43 86
44 286
45 290
46 184
47 94
48 618
49 153
50 316
51 204
52 338
53 106
54 496
55 220
56 532
57 228
58 232
59 118
60 780
61 122
62 248

List of values

[1, 4, 6, 13, 10, 24, 14, 38, 29, 40, 22, 78, 26, 56, 60, 103, 34, 116, 38, 130, 84, 88, 46, 228, 79, 104, 124, 182, 58, 240, 62, 264, 132, 136, 140, 377, 74, 152, 156, 380, 82, 336, 86, 286, 290, 184, 94, 618, 153, 316, 204, 338, 106, 496, 220, 532, 228, 232, 118, 780, 122, 248]