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.

A297253 Numbers whose base-4 digits having equal up-variation and down-variation; see Comments.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 10
6 15
7 17
8 21
9 25
10 29
11 34
12 38
13 42
14 46
15 51
16 55
17 59
18 63
19 65
20 69
21 73
22 77
23 81
24 85
25 89
26 93
27 97
28 101
29 105
30 109
31 113
32 117
33 121
34 125
35 130
36 134
37 138
38 142
39 146
40 150
41 154
42 158
43 162
44 166
45 170
46 174
47 178
48 182
49 186
50 190
51 195
52 199
53 203
54 207
55 211
56 215
57 219
58 223

List of values

[1, 2, 3, 5, 10, 15, 17, 21, 25, 29, 34, 38, 42, 46, 51, 55, 59, 63, 65, 69, 73, 77, 81, 85, 89, 93, 97, 101, 105, 109, 113, 117, 121, 125, 130, 134, 138, 142, 146, 150, 154, 158, 162, 166, 170, 174, 178, 182, 186, 190, 195, 199, 203, 207, 211, 215, 219, 223]