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.

A117210 G.f. A(x) satisfies (1+x) = product_{n>=1} A(x^n).

Table of values

n a(n)
0 1
1 1
2 -1
3 -2
4 0
5 1
6 1
7 0
8 -1
9 -1
10 2
11 1
12 -2
13 -3
14 2
15 4
16 2
17 -5
18 -4
19 0
20 5
21 2
22 1
23 -5
24 -1
25 2
26 5
27 -5
28 -2
29 -2
30 5
31 -1
32 3
33 -6
34 2
35 0
36 11
37 -6
38 -4
39 -10
40 12
41 -1
42 6
43 -13
44 5
45 -8
46 16
47 -8
48 9
49 -13
50 17
51 -17
52 7
53 -21
54 25
55 -10
56 22
57 -29
58 20
59 -24
60 34
61 -24
62 27
63 -44
64 35
65 -32
66 39
67 -52
68 45
69 -39
70 66
71 -53
72 47
73 -76
74 70
75 -55
76 79
77 -98
78 66
79 -84
80 115
81 -89

List of values

[1, 1, -1, -2, 0, 1, 1, 0, -1, -1, 2, 1, -2, -3, 2, 4, 2, -5, -4, 0, 5, 2, 1, -5, -1, 2, 5, -5, -2, -2, 5, -1, 3, -6, 2, 0, 11, -6, -4, -10, 12, -1, 6, -13, 5, -8, 16, -8, 9, -13, 17, -17, 7, -21, 25, -10, 22, -29, 20, -24, 34, -24, 27, -44, 35, -32, 39, -52, 45, -39, 66, -53, 47, -76, 70, -55, 79, -98, 66, -84, 115, -89]