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.

A378757 Dirichlet convolution of sigma and the Dirichlet inverse of A005187 (A346237).

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 -2
6 2
7 -3
8 0
9 -3
10 6
11 -7
12 0
13 -9
14 8
15 6
16 0
17 -14
18 6
19 -15
20 0
21 5
22 16
23 -18
24 0
25 0
26 20
27 2
28 0
29 -24
30 -22
31 -25
32 0
33 12
34 30
35 27
36 4
37 -33
38 32
39 18
40 0
41 -37
42 -24
43 -38
44 0
45 24
46 38
47 -41
48 0
49 -5
50 -16
51 30
52 0
53 -48
54 -16
55 61
56 0
57 30
58 50
59 -53
60 24
61 -55
62 52
63 45
64 0
65 74
66 -54
67 -63
68 0
69 33
70 -100
71 -66
72 0
73 -69
74 68
75 -18
76 0
77 80
78 -74
79 -73
80 0
81 2
82 76
83 -78

List of values

[1, 0, 0, 0, -2, 2, -3, 0, -3, 6, -7, 0, -9, 8, 6, 0, -14, 6, -15, 0, 5, 16, -18, 0, 0, 20, 2, 0, -24, -22, -25, 0, 12, 30, 27, 4, -33, 32, 18, 0, -37, -24, -38, 0, 24, 38, -41, 0, -5, -16, 30, 0, -48, -16, 61, 0, 30, 50, -53, 24, -55, 52, 45, 0, 74, -54, -63, 0, 33, -100, -66, 0, -69, 68, -18, 0, 80, -74, -73, 0, 2, 76, -78]