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.

A323407 Dirichlet inverse of A047994, unitary phi.

Table of values

n a(n)
1 1
2 -1
3 -2
4 -2
5 -4
6 2
7 -6
8 -2
9 -4
10 4
11 -10
12 4
13 -12
14 6
15 8
16 0
17 -16
18 4
19 -18
20 8
21 12
22 10
23 -22
24 4
25 -8
26 12
27 -2
28 12
29 -28
30 -8
31 -30
32 4
33 20
34 16
35 24
36 8
37 -36
38 18
39 24
40 8
41 -40
42 -12
43 -42
44 20
45 16
46 22
47 -46
48 0
49 -12
50 8
51 32
52 24
53 -52
54 2
55 40
56 12
57 36
58 28
59 -58
60 -16
61 -60
62 30
63 24
64 8
65 48
66 -20
67 -66
68 32
69 44
70 -24
71 -70
72 8
73 -72
74 36
75 16
76 36
77 60
78 -24
79 -78
80 0
81 8
82 40
83 -82
84 -24

List of values

[1, -1, -2, -2, -4, 2, -6, -2, -4, 4, -10, 4, -12, 6, 8, 0, -16, 4, -18, 8, 12, 10, -22, 4, -8, 12, -2, 12, -28, -8, -30, 4, 20, 16, 24, 8, -36, 18, 24, 8, -40, -12, -42, 20, 16, 22, -46, 0, -12, 8, 32, 24, -52, 2, 40, 12, 36, 28, -58, -16, -60, 30, 24, 8, 48, -20, -66, 32, 44, -24, -70, 8, -72, 36, 16, 36, 60, -24, -78, 0, 8, 40, -82, -24]