cp's OEIS Frontend

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.

A206913 Greatest binary palindrome <= n; the binary palindrome floor function.

Table of values

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

List of values

[0, 1, 1, 3, 3, 5, 5, 7, 7, 9, 9, 9, 9, 9, 9, 15, 15, 17, 17, 17, 17, 21, 21, 21, 21, 21, 21, 27, 27, 27, 27, 31, 31, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 45, 45, 45, 45, 45, 45, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 63, 63, 65, 65, 65, 65]

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

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