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.

A287515 a(n) = position of n-th 0 when sequence is written in base 2.

Table of values

n a(n)
1 2
2 7
3 8
4 9
5 11
6 12
7 15
8 20
9 21
10 27
11 29
12 30
13 32
14 34
15 38
16 44
17 50
18 52
19 53
20 54
21 55
22 56
23 58
24 59
25 60
26 62
27 64
28 65
29 68
30 70
31 73
32 74
33 77
34 78
35 80
36 83
37 85
38 86
39 89
40 91
41 95
42 98
43 101
44 108
45 109
46 110
47 114
48 116
49 120
50 127
51 128
52 134
53 136
54 137
55 138
56 139
57 140
58 141
59 143
60 144
61 145
62 146
63 147
64 150
65 151
66 152
67 154
68 155
69 157
70 158
71 159
72 162

List of values

[2, 7, 8, 9, 11, 12, 15, 20, 21, 27, 29, 30, 32, 34, 38, 44, 50, 52, 53, 54, 55, 56, 58, 59, 60, 62, 64, 65, 68, 70, 73, 74, 77, 78, 80, 83, 85, 86, 89, 91, 95, 98, 101, 108, 109, 110, 114, 116, 120, 127, 128, 134, 136, 137, 138, 139, 140, 141, 143, 144, 145, 146, 147, 150, 151, 152, 154, 155, 157, 158, 159, 162]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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