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.

A013936 a(n) = Sum_{k=1..n} floor(n/k^2).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 7
7 8
8 10
9 12
10 13
11 14
12 16
13 17
14 18
15 19
16 22
17 23
18 25
19 26
20 28
21 29
22 30
23 31
24 33
25 35
26 36
27 38
28 40
29 41
30 42
31 43
32 46
33 47
34 48
35 49
36 53
37 54
38 55
39 56
40 58
41 59
42 60
43 61
44 63
45 65
46 66
47 67
48 70
49 72
50 74
51 75
52 77
53 78
54 80
55 81
56 83
57 84
58 85
59 86
60 88
61 89
62 90
63 92
64 96
65 97
66 98
67 99
68 101
69 102
70 103

List of values

[1, 2, 3, 5, 6, 7, 8, 10, 12, 13, 14, 16, 17, 18, 19, 22, 23, 25, 26, 28, 29, 30, 31, 33, 35, 36, 38, 40, 41, 42, 43, 46, 47, 48, 49, 53, 54, 55, 56, 58, 59, 60, 61, 63, 65, 66, 67, 70, 72, 74, 75, 77, 78, 80, 81, 83, 84, 85, 86, 88, 89, 90, 92, 96, 97, 98, 99, 101, 102, 103]