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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.

A351886 a(n) is the number of k < n such that a(k) AND n = 0 (where AND denotes the bitwise AND operator).

Table of values

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

List of values

[0, 1, 2, 1, 4, 2, 3, 1, 8, 4, 6, 3, 8, 3, 4, 1, 16, 9, 11, 6, 14, 5, 8, 4, 17, 9, 10, 5, 10, 3, 5, 1, 32, 16, 21, 10, 24, 12, 15, 7, 26, 11, 17, 7, 16, 6, 11, 4, 39, 19, 20, 10, 24, 10, 11, 4, 26, 12, 15, 7, 12, 3, 6, 1, 64, 34, 34, 20, 41, 21, 21, 10, 45, 21]

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