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.

A087811 Numbers k such that ceiling(sqrt(k)) divides k.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 9
6 12
7 16
8 20
9 25
10 30
11 36
12 42
13 49
14 56
15 64
16 72
17 81
18 90
19 100
20 110
21 121
22 132
23 144
24 156
25 169
26 182
27 196
28 210
29 225
30 240
31 256
32 272
33 289
34 306
35 324
36 342
37 361
38 380
39 400
40 420
41 441
42 462
43 484
44 506
45 529
46 552
47 576
48 600
49 625
50 650
51 676
52 702
53 729
54 756
55 784
56 812
57 841

List of values

[1, 2, 4, 6, 9, 12, 16, 20, 25, 30, 36, 42, 49, 56, 64, 72, 81, 90, 100, 110, 121, 132, 144, 156, 169, 182, 196, 210, 225, 240, 256, 272, 289, 306, 324, 342, 361, 380, 400, 420, 441, 462, 484, 506, 529, 552, 576, 600, 625, 650, 676, 702, 729, 756, 784, 812, 841]