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.

A079073 Sum of numbers < n having in binary representation the same number of 1's as n.

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 3
5 3
6 8
7 0
8 7
9 14
10 23
11 7
12 33
13 18
14 31
15 0
16 15
17 45
18 62
19 45
20 80
21 64
22 85
23 15
24 100
25 107
26 132
27 38
28 158
29 65
30 94
31 0
32 31
33 124
34 157
35 186
36 191
37 221
38 258
39 124
40 227
41 296
42 337
43 163
44 379
45 206
46 251
47 31
48 267
49 423
50 472
51 297
52 522
53 348
54 401
55 78
56 574
57 455
58 512
59 133
60 570
61 192
62 253
63 0
64 63

List of values

[0, 0, 1, 0, 3, 3, 8, 0, 7, 14, 23, 7, 33, 18, 31, 0, 15, 45, 62, 45, 80, 64, 85, 15, 100, 107, 132, 38, 158, 65, 94, 0, 31, 124, 157, 186, 191, 221, 258, 124, 227, 296, 337, 163, 379, 206, 251, 31, 267, 423, 472, 297, 522, 348, 401, 78, 574, 455, 512, 133, 570, 192, 253, 0, 63]

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

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