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.

A043569 Numbers whose base-2 representation has exactly 2 runs.

Table of values

n a(n)
1 2
2 4
3 6
4 8
5 12
6 14
7 16
8 24
9 28
10 30
11 32
12 48
13 56
14 60
15 62
16 64
17 96
18 112
19 120
20 124
21 126
22 128
23 192
24 224
25 240
26 248
27 252
28 254
29 256
30 384
31 448
32 480
33 496
34 504
35 508
36 510
37 512
38 768
39 896
40 960
41 992
42 1008
43 1016
44 1020
45 1022
46 1024
47 1536
48 1792
49 1920
50 1984
51 2016
52 2032
53 2040
54 2044

List of values

[2, 4, 6, 8, 12, 14, 16, 24, 28, 30, 32, 48, 56, 60, 62, 64, 96, 112, 120, 124, 126, 128, 192, 224, 240, 248, 252, 254, 256, 384, 448, 480, 496, 504, 508, 510, 512, 768, 896, 960, 992, 1008, 1016, 1020, 1022, 1024, 1536, 1792, 1920, 1984, 2016, 2032, 2040, 2044]