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.

A366972 a(n) = Sum_{k=4..n} floor(n/k).

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 2
6 3
7 4
8 6
9 7
10 9
11 10
12 13
13 14
14 16
15 18
16 21
17 22
18 25
19 26
20 30
21 32
22 34
23 35
24 40
25 42
26 44
27 46
28 50
29 51
30 56
31 57
32 61
33 63
34 65
35 68
36 74
37 75
38 77
39 79
40 85
41 86
42 91
43 92
44 96
45 100
46 102
47 103
48 110
49 112
50 116
51 118
52 122
53 123
54 128
55 131
56 137
57 139
58 141
59 142
60 151
61 152
62 154
63 158
64 163
65 166

List of values

[0, 0, 0, 1, 2, 3, 4, 6, 7, 9, 10, 13, 14, 16, 18, 21, 22, 25, 26, 30, 32, 34, 35, 40, 42, 44, 46, 50, 51, 56, 57, 61, 63, 65, 68, 74, 75, 77, 79, 85, 86, 91, 92, 96, 100, 102, 103, 110, 112, 116, 118, 122, 123, 128, 131, 137, 139, 141, 142, 151, 152, 154, 158, 163, 166]