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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.

A356148 a(n) is the number of positive integers whose binary expansion appears as a substring in the binary expansion of n or its complement.

Table of values

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

List of values

[1, 2, 2, 4, 3, 4, 3, 6, 6, 4, 6, 6, 6, 6, 4, 8, 9, 9, 8, 8, 5, 9, 9, 9, 8, 8, 9, 9, 9, 8, 5, 10, 12, 13, 12, 12, 12, 10, 12, 12, 12, 6, 10, 12, 12, 13, 12, 12, 12, 12, 10, 12, 10, 12, 13, 12, 12, 12, 13, 12, 12, 10, 6, 12, 15, 17, 16, 17, 17, 16, 15, 17, 15]

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