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.

A367870 a(n) = Sum_{d|n, d odd} (n-d).

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 8
7 6
8 7
9 14
10 14
11 10
12 20
13 12
14 20
15 36
16 15
17 16
18 41
19 18
20 34
21 52
22 32
23 22
24 44
25 44
26 38
27 68
28 48
29 28
30 96
31 30
32 31
33 84
34 50
35 92
36 95
37 36
38 56
39 100
40 74
41 40
42 136
43 42
44 76
45 192
46 68
47 46
48 92
49 90
50 119
51 132
52 90
53 52
54 176
55 148
56 104
57 148
58 86
59 58
60 216
61 60
62 92
63 274
64 63
65 176
66 216

List of values

[0, 1, 2, 3, 4, 8, 6, 7, 14, 14, 10, 20, 12, 20, 36, 15, 16, 41, 18, 34, 52, 32, 22, 44, 44, 38, 68, 48, 28, 96, 30, 31, 84, 50, 92, 95, 36, 56, 100, 74, 40, 136, 42, 76, 192, 68, 46, 92, 90, 119, 132, 90, 52, 176, 148, 104, 148, 86, 58, 216, 60, 92, 274, 63, 176, 216]