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.

A058186 Numbers (written in base 5) which appear the same when written in base 5 and base 10/2.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 20
7 21
8 22
9 23
10 24
11 40
12 41
13 42
14 43
15 44
16 200
17 201
18 202
19 203
20 204
21 220
22 221
23 222
24 223
25 224
26 240
27 241
28 242
29 243
30 244
31 400
32 401
33 402
34 403
35 404
36 420
37 421
38 422
39 423
40 424
41 440
42 441
43 442
44 443
45 444
46 2000
47 2001
48 2002
49 2003
50 2004
51 2020
52 2021
53 2022
54 2023

List of values

[0, 1, 2, 3, 4, 20, 21, 22, 23, 24, 40, 41, 42, 43, 44, 200, 201, 202, 203, 204, 220, 221, 222, 223, 224, 240, 241, 242, 243, 244, 400, 401, 402, 403, 404, 420, 421, 422, 423, 424, 440, 441, 442, 443, 444, 2000, 2001, 2002, 2003, 2004, 2020, 2021, 2022, 2023]