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.

A004780 Binary expansion contains 2 adjacent 1's.

Table of values

n a(n)
1 3
2 6
3 7
4 11
5 12
6 13
7 14
8 15
9 19
10 22
11 23
12 24
13 25
14 26
15 27
16 28
17 29
18 30
19 31
20 35
21 38
22 39
23 43
24 44
25 45
26 46
27 47
28 48
29 49
30 50
31 51
32 52
33 53
34 54
35 55
36 56
37 57
38 58
39 59
40 60
41 61
42 62
43 63
44 67
45 70
46 71
47 75
48 76
49 77
50 78
51 79
52 83
53 86
54 87
55 88
56 89
57 90
58 91
59 92
60 93
61 94
62 95
63 96
64 97
65 98
66 99
67 100

List of values

[3, 6, 7, 11, 12, 13, 14, 15, 19, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 35, 38, 39, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 67, 70, 71, 75, 76, 77, 78, 79, 83, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100]