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.

A322577 a(n) = Sum_{d|n} psi(n/d) * phi(d).

Table of values

n a(n)
1 1
2 4
3 6
4 11
5 10
6 24
7 14
8 28
9 26
10 40
11 22
12 66
13 26
14 56
15 60
16 68
17 34
18 104
19 38
20 110
21 84
22 88
23 46
24 168
25 74
26 104
27 102
28 154
29 58
30 240
31 62
32 160
33 132
34 136
35 140
36 286
37 74
38 152
39 156
40 280
41 82
42 336
43 86
44 242
45 260
46 184
47 94
48 408
49 146
50 296
51 204
52 286
53 106
54 408
55 220
56 392
57 228
58 232
59 118
60 660

List of values

[1, 4, 6, 11, 10, 24, 14, 28, 26, 40, 22, 66, 26, 56, 60, 68, 34, 104, 38, 110, 84, 88, 46, 168, 74, 104, 102, 154, 58, 240, 62, 160, 132, 136, 140, 286, 74, 152, 156, 280, 82, 336, 86, 242, 260, 184, 94, 408, 146, 296, 204, 286, 106, 408, 220, 392, 228, 232, 118, 660]