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.

A020914 Number of digits in the base-2 representation of 3^n.

Table of values

n a(n)
0 1
1 2
2 4
3 5
4 7
5 8
6 10
7 12
8 13
9 15
10 16
11 18
12 20
13 21
14 23
15 24
16 26
17 27
18 29
19 31
20 32
21 34
22 35
23 37
24 39
25 40
26 42
27 43
28 45
29 46
30 48
31 50
32 51
33 53
34 54
35 56
36 58
37 59
38 61
39 62
40 64
41 65
42 67
43 69
44 70
45 72
46 73
47 75
48 77
49 78
50 80
51 81
52 83
53 85
54 86
55 88
56 89
57 91
58 92
59 94
60 96
61 97
62 99
63 100
64 102
65 104
66 105
67 107

List of values

[1, 2, 4, 5, 7, 8, 10, 12, 13, 15, 16, 18, 20, 21, 23, 24, 26, 27, 29, 31, 32, 34, 35, 37, 39, 40, 42, 43, 45, 46, 48, 50, 51, 53, 54, 56, 58, 59, 61, 62, 64, 65, 67, 69, 70, 72, 73, 75, 77, 78, 80, 81, 83, 85, 86, 88, 89, 91, 92, 94, 96, 97, 99, 100, 102, 104, 105, 107]

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

Content is available under The OEIS End-User License Agreement.