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.

A383668 Numbers whose binary representation has a positive number of 0s, all with even runlength.

Table of values

n a(n)
1 4
2 9
3 12
4 16
5 19
6 25
7 28
8 33
9 36
10 39
11 48
12 51
13 57
14 60
15 64
16 67
17 73
18 76
19 79
20 97
21 100
22 103
23 112
24 115
25 121
26 124
27 129
28 132
29 135
30 144
31 147
32 153
33 156
34 159
35 192
36 195
37 201
38 204
39 207
40 225
41 228
42 231
43 240
44 243
45 249
46 252
47 256
48 259
49 265
50 268
51 271
52 289
53 292
54 295
55 304
56 307

List of values

[4, 9, 12, 16, 19, 25, 28, 33, 36, 39, 48, 51, 57, 60, 64, 67, 73, 76, 79, 97, 100, 103, 112, 115, 121, 124, 129, 132, 135, 144, 147, 153, 156, 159, 192, 195, 201, 204, 207, 225, 228, 231, 240, 243, 249, 252, 256, 259, 265, 268, 271, 289, 292, 295, 304, 307]