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.

A265527 Largest base-2 palindrome m <= 2n, written in base 10.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 7
5 9
6 9
7 9
8 15
9 17
10 17
11 21
12 21
13 21
14 27
15 27
16 31
17 33
18 33
19 33
20 33
21 33
22 33
23 45
24 45
25 45
26 51
27 51
28 51
29 51
30 51
31 51
32 63
33 65
34 65
35 65
36 65
37 73
38 73
39 73
40 73
41 73
42 73
43 85
44 85
45 85
46 85
47 93
48 93
49 93
50 99
51 99
52 99
53 99
54 107
55 107
56 107
57 107
58 107
59 107
60 119
61 119
62 119
63 119
64 127
65 129
66 129
67 129
68 129
69 129
70 129
71 129
72 129
73 129
74 129
75 129

List of values

[0, 1, 3, 5, 7, 9, 9, 9, 15, 17, 17, 21, 21, 21, 27, 27, 31, 33, 33, 33, 33, 33, 33, 45, 45, 45, 51, 51, 51, 51, 51, 51, 63, 65, 65, 65, 65, 73, 73, 73, 73, 73, 73, 85, 85, 85, 85, 93, 93, 93, 99, 99, 99, 99, 107, 107, 107, 107, 107, 107, 119, 119, 119, 119, 127, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129]