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.

A366968 a(n) = Sum_{k=3..n} floor(n/k).

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 3
6 5
7 6
8 8
9 10
10 12
11 13
12 17
13 18
14 20
15 23
16 26
17 27
18 31
19 32
20 36
21 39
22 41
23 42
24 48
25 50
26 52
27 55
28 59
29 60
30 66
31 67
32 71
33 74
34 76
35 79
36 86
37 87
38 89
39 92
40 98
41 99
42 105
43 106
44 110
45 115
46 117
47 118
48 126
49 128
50 132
51 135
52 139
53 140
54 146
55 149
56 155
57 158
58 160
59 161
60 171
61 172
62 174
63 179
64 184

List of values

[0, 0, 1, 2, 3, 5, 6, 8, 10, 12, 13, 17, 18, 20, 23, 26, 27, 31, 32, 36, 39, 41, 42, 48, 50, 52, 55, 59, 60, 66, 67, 71, 74, 76, 79, 86, 87, 89, 92, 98, 99, 105, 106, 110, 115, 117, 118, 126, 128, 132, 135, 139, 140, 146, 149, 155, 158, 160, 161, 171, 172, 174, 179, 184]