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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.

A062984 a(n) = M(C(n)), where M(n) is Mertens's function (A002321) and C(n) is Chowla's function (A048050).

Table of values

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

List of values

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

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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