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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.

A377414 a(n) is the largest term of A126684, say b, such that n AND b = b (where AND denotes the bitwise AND operator).

Table of values

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

List of values

[0, 1, 2, 2, 4, 5, 4, 5, 8, 8, 10, 10, 8, 8, 10, 10, 16, 17, 16, 17, 20, 21, 20, 21, 16, 17, 16, 17, 20, 21, 20, 21, 32, 32, 34, 34, 32, 32, 34, 34, 40, 40, 42, 42, 40, 40, 42, 42, 32, 32, 34, 34, 32, 32, 34, 34, 40, 40, 42, 42, 40, 40, 42, 42, 64, 65, 64, 65]

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

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