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.

A378644 Möbius transform of A103977.

Table of values

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

List of values

[1, 0, 1, 0, 3, -2, 5, 0, 3, -2, 9, 0, 11, -2, 1, 0, 15, -2, 17, -2, 3, -2, 21, 0, 15, -2, 9, -4, 27, -2, 29, 0, 7, -2, 13, 0, 35, -2, 9, 0, 39, -6, 41, -4, 3, -2, 45, 0, 35, -10, 13, -4, 51, -10, 25, 0, 15, -2, 57, 2, 59, -2, 9, 0, 31, -14, 65, -4, 19, -18, 69, 0, 71, -2, 5, -4, 43, -18, 77, 0, 27, -2, 81, 4, 43]