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.

A073138 Largest number having in its binary representation the same number of 0's and 1's as n.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 6
6 6
7 7
8 8
9 12
10 12
11 14
12 12
13 14
14 14
15 15
16 16
17 24
18 24
19 28
20 24
21 28
22 28
23 30
24 24
25 28
26 28
27 30
28 28
29 30
30 30
31 31
32 32
33 48
34 48
35 56
36 48
37 56
38 56
39 60
40 48
41 56
42 56
43 60
44 56
45 60
46 60
47 62
48 48
49 56
50 56
51 60
52 56
53 60
54 60
55 62
56 56
57 60
58 60
59 62
60 60
61 62
62 62
63 63
64 64
65 96
66 96
67 112
68 96
69 112
70 112

List of values

[0, 1, 2, 3, 4, 6, 6, 7, 8, 12, 12, 14, 12, 14, 14, 15, 16, 24, 24, 28, 24, 28, 28, 30, 24, 28, 28, 30, 28, 30, 30, 31, 32, 48, 48, 56, 48, 56, 56, 60, 48, 56, 56, 60, 56, 60, 60, 62, 48, 56, 56, 60, 56, 60, 60, 62, 56, 60, 60, 62, 60, 62, 62, 63, 64, 96, 96, 112, 96, 112, 112]

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

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