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.

A378261 G.f. satisfies A(x) = A(x^2)*M(x)/x, where M(x) = Sum_{n>=1} mu(n)*x^n and mu(n) = A008683(n), the Moebius function of n.

Table of values

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

List of values

[1, -1, -2, 1, -2, 3, 3, -2, 0, 1, 5, -3, 1, -6, -2, 5, -5, -1, -1, 1, 10, -3, -18, 4, 0, 6, -2, 2, -7, 3, 10, -8, 3, 13, 3, -4, -5, -1, 16, -7, 1, -21, -21, 13, 11, 32, -3, -18, 14, -12, 27, -5, -29, -14, 40, 18, -9, -7, -28, -9, 28, -12, -1, 21, -18, -17, 21, -4, 2, -26, -55, 15, 6, 57, 76, 4, -63, -35, -31, 12, 27]