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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.

A206919 Sum of binary palindromes <= n.

Table of values

n a(n)
0 0
1 1
2 1
3 4
4 4
5 9
6 9
7 16
8 16
9 25
10 25
11 25
12 25
13 25
14 25
15 40
16 40
17 57
18 57
19 57
20 57
21 78
22 78
23 78
24 78
25 78
26 78
27 105
28 105
29 105
30 105
31 136
32 136
33 169
34 169
35 169
36 169
37 169
38 169
39 169
40 169
41 169
42 169
43 169
44 169
45 214
46 214
47 214
48 214
49 214
50 214
51 265
52 265
53 265
54 265
55 265
56 265
57 265
58 265

List of values

[0, 1, 1, 4, 4, 9, 9, 16, 16, 25, 25, 25, 25, 25, 25, 40, 40, 57, 57, 57, 57, 78, 78, 78, 78, 78, 78, 105, 105, 105, 105, 136, 136, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 214, 214, 214, 214, 214, 214, 265, 265, 265, 265, 265, 265, 265, 265]

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

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