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.

A029460 Numbers k that divide the (right) concatenation of all numbers <= k written in base 15 (most significant digit on left).

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 15
6 20
7 21
8 25
9 28
10 33
11 35
12 36
13 45
14 49
15 60
16 63
17 68
18 75
19 84
20 100
21 105
22 140
23 147
24 175
25 180
26 196
27 204
28 207
29 225
30 245
31 252
32 287
33 300
34 315
35 375
36 420
37 441
38 500
39 525
40 540
41 588
42 675
43 700
44 724
45 735
46 756
47 805
48 875
49 879
50 900
51 945
52 980
53 1125
54 1225
55 1260
56 1323

List of values

[1, 3, 5, 7, 15, 20, 21, 25, 28, 33, 35, 36, 45, 49, 60, 63, 68, 75, 84, 100, 105, 140, 147, 175, 180, 196, 204, 207, 225, 245, 252, 287, 300, 315, 375, 420, 441, 500, 525, 540, 588, 675, 700, 724, 735, 756, 805, 875, 879, 900, 945, 980, 1125, 1225, 1260, 1323]