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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.

A329193 a(n) = floor(log_2(n^3)) = floor(3 log_2(n)).

Table of values

n a(n)
1 0
2 3
3 4
4 6
5 6
6 7
7 8
8 9
9 9
10 9
11 10
12 10
13 11
14 11
15 11
16 12
17 12
18 12
19 12
20 12
21 13
22 13
23 13
24 13
25 13
26 14
27 14
28 14
29 14
30 14
31 14
32 15
33 15
34 15
35 15
36 15
37 15
38 15
39 15
40 15
41 16
42 16
43 16
44 16
45 16
46 16
47 16
48 16
49 16
50 16
51 17
52 17
53 17
54 17
55 17
56 17
57 17
58 17
59 17
60 17
61 17
62 17
63 17
64 18
65 18
66 18
67 18
68 18
69 18
70 18
71 18
72 18
73 18
74 18

List of values

[0, 3, 4, 6, 6, 7, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18]

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

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