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.

A069872 Numbers k such that k divides the concatenation all divisors in ascending order, i.e., k divides A037278(k).

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 6
6 8
7 10
8 15
9 16
10 20
11 24
12 25
13 30
14 32
15 40
16 50
17 60
18 64
19 80
20 90
21 96
22 100
23 104
24 120
25 124
26 125
27 128
28 150
29 160
30 200
31 240
32 250
33 255
34 256
35 288
36 320
37 360
38 375
39 380
40 384
41 400
42 425
43 464
44 480
45 495
46 500
47 512
48 600
49 618
50 625
51 640
52 750
53 795
54 800
55 864
56 875
57 960
58 1000

List of values

[1, 2, 4, 5, 6, 8, 10, 15, 16, 20, 24, 25, 30, 32, 40, 50, 60, 64, 80, 90, 96, 100, 104, 120, 124, 125, 128, 150, 160, 200, 240, 250, 255, 256, 288, 320, 360, 375, 380, 384, 400, 425, 464, 480, 495, 500, 512, 600, 618, 625, 640, 750, 795, 800, 864, 875, 960, 1000]