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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.

A374356 a(n) is the greatest fibbinary number f <= n such that n - f is also a fibbinary number whose binary expansion has no common 1's with that of f (where fibbinary numbers correspond to A003714).

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

List of values

[0, 1, 2, 2, 4, 5, 4, 5, 8, 9, 10, 10, 8, 9, 10, 10, 16, 17, 18, 18, 20, 21, 20, 21, 16, 17, 18, 18, 20, 21, 20, 21, 32, 33, 34, 34, 36, 37, 36, 37, 40, 41, 42, 42, 40, 41, 42, 42, 32, 33, 34, 34, 36, 37, 36, 37, 40, 41, 42, 42, 40, 41, 42, 42, 64, 65, 66, 66]

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

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