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.

A098035 a(n) = Sum_{d|n} mu(d+1), where mu() is the Moebius function.

Table of values

n a(n)
1 -1
2 -2
3 -1
4 -3
5 0
6 -3
7 -1
8 -3
9 0
10 -2
11 -1
12 -5
13 0
14 -1
15 0
16 -4
17 -1
18 -3
19 -1
20 -2
21 0
22 -3
23 -1
24 -5
25 1
26 -1
27 0
28 -3
29 -2
30 -4
31 -1
32 -3
33 0
34 -1
35 0
36 -6
37 0
38 -1
39 0
40 -3
41 -2
42 -2
43 -1
44 -4
45 2
46 -3
47 -1
48 -6
49 -1
50 0
51 -1
52 -3
53 -1
54 -2
55 0
56 -2
57 0
58 -4
59 -1
60 -6
61 0
62 -2
63 1
64 -2
65 0
66 -4
67 -1
68 -1
69 -2
70 -2
71 -1
72 -7
73 0
74 -1
75 1
76 -1
77 -2
78 -3
79 -1
80 -4
81 1
82 -4
83 -1
84 -4
85 1
86 -1
87 -2
88 -5
89 -1
90 -2
91 0
92 -3
93 0
94 -1

List of values

[-1, -2, -1, -3, 0, -3, -1, -3, 0, -2, -1, -5, 0, -1, 0, -4, -1, -3, -1, -2, 0, -3, -1, -5, 1, -1, 0, -3, -2, -4, -1, -3, 0, -1, 0, -6, 0, -1, 0, -3, -2, -2, -1, -4, 2, -3, -1, -6, -1, 0, -1, -3, -1, -2, 0, -2, 0, -4, -1, -6, 0, -2, 1, -2, 0, -4, -1, -1, -2, -2, -1, -7, 0, -1, 1, -1, -2, -3, -1, -4, 1, -4, -1, -4, 1, -1, -2, -5, -1, -2, 0, -3, 0, -1]