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.

A029470 Numbers k that divide the (right) concatenation of all numbers <= k written in base 25 (most significant digit on left).

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 15
6 21
7 25
8 35
9 64
10 75
11 125
12 192
13 320
14 345
15 375
16 625
17 675
18 825
19 875
20 945
21 960
22 1117
23 1125
24 1155
25 1255
26 1344
27 1375
28 1485
29 1575
30 1600
31 1728
32 1875
33 1925
34 2240
35 2475
36 2625
37 2880
38 3125
39 3375
40 3465
41 3520
42 4032
43 4065
44 4125
45 4375
46 4725
47 4800
48 5625
49 5775

List of values

[1, 3, 5, 9, 15, 21, 25, 35, 64, 75, 125, 192, 320, 345, 375, 625, 675, 825, 875, 945, 960, 1117, 1125, 1155, 1255, 1344, 1375, 1485, 1575, 1600, 1728, 1875, 1925, 2240, 2475, 2625, 2880, 3125, 3375, 3465, 3520, 4032, 4065, 4125, 4375, 4725, 4800, 5625, 5775]