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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.

A328800 Expansion of chi(-x) * chi(x^3) in powers of x where chi() is a Ramanujan theta function.

Table of values

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

List of values

[1, -1, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 1, -1, 0, 0, 1, -1, 0, 0, 1, -1, 0, 0, 2, -2, 0, 0, 1, -2, 0, 0, 2, -2, 0, 0, 3, -3, 0, 0, 3, -3, 0, 0, 3, -3, 0, 0, 5, -5, 0, 0, 4, -5, 0, 0, 6, -5, 0, 0, 7, -7, 0, 0, 7, -8, 0, 0, 8, -8, 0, 0, 11, -11, 0, 0, 10, -12, 0]

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