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.

A251853 Nonnegative numbers n with all even digits such that the digital sum of the digits' sum is even.

Table of values

n a(n)
1 0
2 2
3 4
4 6
5 8
6 20
7 22
8 24
9 26
10 40
11 42
12 44
13 60
14 62
15 80
16 200
17 202
18 204
19 206
20 220
21 222
22 224
23 240
24 242
25 260
26 400
27 402
28 404
29 420
30 422
31 440
32 488
33 600
34 602
35 620
36 668
37 686
38 688
39 800
40 848
41 866
42 868
43 884
44 886
45 888
46 2000
47 2002
48 2004
49 2006
50 2020
51 2022
52 2024
53 2040
54 2042
55 2060
56 2200

List of values

[0, 2, 4, 6, 8, 20, 22, 24, 26, 40, 42, 44, 60, 62, 80, 200, 202, 204, 206, 220, 222, 224, 240, 242, 260, 400, 402, 404, 420, 422, 440, 488, 600, 602, 620, 668, 686, 688, 800, 848, 866, 868, 884, 886, 888, 2000, 2002, 2004, 2006, 2020, 2022, 2024, 2040, 2042, 2060, 2200]