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.

A069235 Numbers k, not perfect squares, such that the squarefree part of k divides sigma(k).

Table of values

n a(n)
1 6
2 24
3 28
4 40
5 54
6 96
7 117
8 120
9 135
10 147
11 150
12 216
13 224
14 234
15 252
16 270
17 294
18 360
19 384
20 468
21 486
22 496
23 507
24 540
25 588
26 600
27 640
28 672
29 700
30 726
31 775
32 819
33 847
34 864
35 891
36 931
37 936
38 1000
39 1014
40 1080
41 1083
42 1176
43 1323
44 1350
45 1372
46 1536
47 1550
48 1638
49 1694
50 1734

List of values

[6, 24, 28, 40, 54, 96, 117, 120, 135, 147, 150, 216, 224, 234, 252, 270, 294, 360, 384, 468, 486, 496, 507, 540, 588, 600, 640, 672, 700, 726, 775, 819, 847, 864, 891, 931, 936, 1000, 1014, 1080, 1083, 1176, 1323, 1350, 1372, 1536, 1550, 1638, 1694, 1734]