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.

A350538 a(n) is the smallest proper multiple of n which contains only even digits.

Table of values

n a(n)
1 2
2 4
3 6
4 8
5 20
6 24
7 28
8 24
9 288
10 20
11 22
12 24
13 26
14 28
15 60
16 48
17 68
18 288
19 228
20 40
21 42
22 44
23 46
24 48
25 200
26 208
27 486
28 84
29 406
30 60
31 62
32 64
33 66
34 68
35 280
36 288
37 222
38 228
39 468
40 80
41 82
42 84
43 86
44 88
45 2880
46 460
47 282
48 240
49 686
50 200
51 204
52 208
53 424
54 486
55 220
56 224
57 228
58 406
59 826

List of values

[2, 4, 6, 8, 20, 24, 28, 24, 288, 20, 22, 24, 26, 28, 60, 48, 68, 288, 228, 40, 42, 44, 46, 48, 200, 208, 486, 84, 406, 60, 62, 64, 66, 68, 280, 288, 222, 228, 468, 80, 82, 84, 86, 88, 2880, 460, 282, 240, 686, 200, 204, 208, 424, 486, 220, 224, 228, 406, 826]