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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.

A261122 Expansion of f(-x) * f(x^4, x^8)^2 / f(-x^3, -x^9) in powers of x where f(,) is Ramanujan's general theta function.

Table of values

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

List of values

[1, -1, -1, 1, 1, -2, -1, 2, 1, -1, -2, 2, 1, 0, -2, 2, 1, 0, -1, 0, 2, -2, -2, 0, 1, -3, 0, 1, 2, -2, -2, 2, 1, -2, 0, 4, 1, 0, 0, 0, 2, 0, -2, 0, 2, -2, 0, 0, 1, -3, -3, 0, 0, -2, -1, 4, 2, 0, -2, 2, 2, 0, -2, 2, 1, 0, -2, 0, 0, 0, -4, 0, 1, -2, 0, 3, 0, -4]

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