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.

A085906 Ramanujan sum c_n(6).

Table of values

n a(n)
1 1
2 1
3 2
4 -2
5 -1
6 2
7 -1
8 0
9 -3
10 -1
11 -1
12 -4
13 -1
14 -1
15 -2
16 0
17 -1
18 -3
19 -1
20 2
21 -2
22 -1
23 -1
24 0
25 0
26 -1
27 0
28 2
29 -1
30 -2
31 -1
32 0
33 -2
34 -1
35 1
36 6
37 -1
38 -1
39 -2
40 0
41 -1
42 -2
43 -1
44 2
45 3
46 -1
47 -1
48 0
49 0
50 0
51 -2
52 2
53 -1
54 0
55 1
56 0
57 -2
58 -1
59 -1
60 4
61 -1
62 -1
63 3
64 0
65 1
66 -2
67 -1
68 2
69 -2
70 1
71 -1
72 0
73 -1
74 -1
75 0
76 2
77 1
78 -2
79 -1
80 0
81 0
82 -1
83 -1
84 4
85 1
86 -1
87 -2
88 0
89 -1
90 3
91 1
92 2
93 -2
94 -1
95 1
96 0
97 -1
98 0
99 3
100 0

List of values

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