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.

A362469 Sum of the numbers k, 1 <= k <= n, such that phi(k) | n.

Table of values

n a(n)
1 1
2 3
3 3
4 10
5 3
6 16
7 3
8 29
9 3
10 16
11 3
12 67
13 3
14 16
15 3
16 82
17 3
18 64
19 3
20 62
21 3
22 16
23 3
24 208
25 3
26 16
27 3
28 51
29 3
30 97
31 3
32 205
33 3
34 16
35 3
36 269
37 3
38 16
39 3
40 247
41 3
42 64
43 3
44 74
45 3
46 16
47 3
48 660
49 3
50 49
51 3
52 51
53 3
54 202
55 3
56 185
57 3
58 16
59 3
60 481
61 3
62 16
63 3
64 502
65 3
66 133
67 3
68 51
69 3
70 49
71 3
72 1034
73 3
74 16
75 3
76 51
77 3

List of values

[1, 3, 3, 10, 3, 16, 3, 29, 3, 16, 3, 67, 3, 16, 3, 82, 3, 64, 3, 62, 3, 16, 3, 208, 3, 16, 3, 51, 3, 97, 3, 205, 3, 16, 3, 269, 3, 16, 3, 247, 3, 64, 3, 74, 3, 16, 3, 660, 3, 49, 3, 51, 3, 202, 3, 185, 3, 16, 3, 481, 3, 16, 3, 502, 3, 133, 3, 51, 3, 49, 3, 1034, 3, 16, 3, 51, 3]