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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.

A365714 Sum of reversing binary value of n (A065620) and its Dirichlet inverse.

Table of values

n a(n)
1 2
2 0
3 0
4 4
5 0
6 -4
7 0
8 8
9 1
10 -12
11 0
12 -4
13 0
14 12
15 6
16 16
17 0
18 -30
19 0
20 -12
21 -6
22 28
23 0
24 -8
25 9
26 20
27 15
28 12
29 0
30 -32
31 0
32 32
33 -14
34 -60
35 -18
36 -28
37 0
38 60
39 -10
40 -24
41 0
42 64
43 0
44 28
45 61
46 -52
47 0
48 -16
49 9
50 18
51 30
52 20
53 0
54 -66
55 -42
56 24
57 -30
58 -44
59 0
60 -20
61 0
62 44
63 -77
64 64
65 -30
66 -96
67 0
68 -60
69 26
70 160
71 0
72 -56
73 0
74 116
75 39
76 60
77 42
78 -96
79 0
80 -48
81 89

List of values

[2, 0, 0, 4, 0, -4, 0, 8, 1, -12, 0, -4, 0, 12, 6, 16, 0, -30, 0, -12, -6, 28, 0, -8, 9, 20, 15, 12, 0, -32, 0, 32, -14, -60, -18, -28, 0, 60, -10, -24, 0, 64, 0, 28, 61, -52, 0, -16, 9, 18, 30, 20, 0, -66, -42, 24, -30, -44, 0, -20, 0, 44, -77, 64, -30, -96, 0, -60, 26, 160, 0, -56, 0, 116, 39, 60, 42, -96, 0, -48, 89]