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.

A378750 Dirichlet inverse of A377984, where A377984(n) = 2*sigma(n) - A003961(n).

Table of values

n a(n)
1 1
2 -3
3 -3
4 4
5 -5
6 9
7 -5
8 0
9 8
10 15
11 -11
12 -8
13 -11
14 15
15 17
16 8
17 -17
18 -24
19 -17
20 -16
21 21
22 33
23 -19
24 0
25 12
26 33
27 24
28 -8
29 -29
30 -51
31 -27
32 24
33 35
34 51
35 31
36 56
37 -35
38 51
39 39
40 0
41 -41
42 -63
43 -41
44 -40
45 -28
46 57
47 -43
48 0
49 32
50 -36
51 53
52 -32
53 -49
54 -72
55 57
56 0
57 57
58 87
59 -59
60 48
61 -57
62 81
63 -4
64 88
65 61
66 -105
67 -65
68 -64
69 67
70 -93
71 -71
72 0
73 -69
74 105

List of values

[1, -3, -3, 4, -5, 9, -5, 0, 8, 15, -11, -8, -11, 15, 17, 8, -17, -24, -17, -16, 21, 33, -19, 0, 12, 33, 24, -8, -29, -51, -27, 24, 35, 51, 31, 56, -35, 51, 39, 0, -41, -63, -41, -40, -28, 57, -43, 0, 32, -36, 53, -32, -49, -72, 57, 0, 57, 87, -59, 48, -57, 81, -4, 88, 61, -105, -65, -64, 67, -93, -71, 0, -69, 105]