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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.

A353292 a(n) is the number of positive integers k <= n that have at least one common 1-bit with n.

Table of values

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

List of values

[0, 1, 1, 3, 1, 4, 5, 7, 1, 6, 7, 10, 9, 12, 13, 15, 1, 10, 11, 16, 13, 18, 19, 22, 17, 22, 23, 26, 25, 28, 29, 31, 1, 18, 19, 28, 21, 30, 31, 36, 25, 34, 35, 40, 37, 42, 43, 46, 33, 42, 43, 48, 45, 50, 51, 54, 49, 54, 55, 58, 57, 60, 61, 63, 1, 34, 35, 52, 37]

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

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