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.

A280716 Expansion of Product_{k>=2} (1 + mu(2*k-1)^2*x^(2*k-1)), where mu() is the Moebius function (A008683).

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 0
5 1
6 0
7 1
8 1
9 0
10 1
11 1
12 1
13 1
14 1
15 2
16 2
17 1
18 3
19 2
20 3
21 3
22 3
23 4
24 4
25 3
26 5
27 4
28 5
29 6
30 4
31 8
32 6
33 8
34 8
35 9
36 11
37 10
38 11
39 14
40 13
41 14
42 15
43 16
44 19
45 16
46 20
47 22
48 22
49 23
50 26
51 29
52 30
53 31
54 35
55 39
56 38
57 43
58 44
59 49
60 50
61 52
62 58
63 59
64 64
65 67
66 71
67 77
68 82
69 85
70 93
71 97
72 107
73 108
74 117
75 125
76 131
77 138
78 143
79 157
80 162
81 168
82 179
83 194
84 199

List of values

[1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 2, 2, 1, 3, 2, 3, 3, 3, 4, 4, 3, 5, 4, 5, 6, 4, 8, 6, 8, 8, 9, 11, 10, 11, 14, 13, 14, 15, 16, 19, 16, 20, 22, 22, 23, 26, 29, 30, 31, 35, 39, 38, 43, 44, 49, 50, 52, 58, 59, 64, 67, 71, 77, 82, 85, 93, 97, 107, 108, 117, 125, 131, 138, 143, 157, 162, 168, 179, 194, 199]