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.

A187769 Triangle read by rows: equivalence classes of natural numbers, where numbers are equivalent when having equal numbers of zeros and ones in binary representation, respectively.

Table of values

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

List of values

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

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

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