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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.

A292118 G.f.: 1 + 2*Sum_{k >= 1} (-1)^k*q^A003159(k).

Table of values

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

List of values

[1, -2, 0, 2, -2, 2, 0, -2, 0, 2, 0, -2, 2, -2, 0, 2, -2, 2, 0, -2, 2, -2, 0, 2, 0, -2, 0, 2, -2, 2, 0, -2, 0, 2, 0, -2, 2, -2, 0, 2, 0, -2, 0, 2, -2, 2, 0, -2, 2, -2, 0, 2, -2, 2, 0, -2, 0, 2, 0, -2, 2, -2, 0, 2, -2, 2, 0, -2, 2, -2, 0, 2, 0, -2, 0, 2, -2]

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