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.

A211266 Number of integer pairs (x,y) such that 0 and x*y<=2n.

Table of values

n a(n)
1 0
2 1
3 3
4 5
5 7
6 10
7 12
8 15
9 18
10 21
11 24
12 28
13 30
14 34
15 38
16 41
17 44
18 49
19 51
20 56
21 60
22 63
23 67
24 72
25 75
26 79
27 83
28 88
29 91
30 97
31 99
32 104
33 109
34 112
35 117
36 123
37 125
38 130
39 135
40 140
41 143
42 149
43 152
44 157
45 163
46 167
47 170
48 177
49 180
50 186
51 190
52 194
53 199
54 205
55 209
56 215
57 219
58 223

List of values

[0, 1, 3, 5, 7, 10, 12, 15, 18, 21, 24, 28, 30, 34, 38, 41, 44, 49, 51, 56, 60, 63, 67, 72, 75, 79, 83, 88, 91, 97, 99, 104, 109, 112, 117, 123, 125, 130, 135, 140, 143, 149, 152, 157, 163, 167, 170, 177, 180, 186, 190, 194, 199, 205, 209, 215, 219, 223]