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.

A011754 Number of ones in the binary expansion of 3^n.

Table of values

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

List of values

[1, 2, 2, 4, 3, 6, 6, 5, 6, 8, 9, 13, 10, 11, 14, 15, 11, 14, 14, 17, 17, 20, 19, 22, 16, 18, 24, 30, 25, 25, 25, 26, 26, 34, 29, 32, 27, 34, 36, 32, 28, 39, 38, 39, 34, 34, 45, 38, 41, 33, 41, 46, 42, 35, 39, 42, 39, 40, 42, 48, 56, 56, 49, 57, 56, 51, 45, 47, 55, 55, 64, 68, 58]

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

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