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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.

A246752 Expansion of phi(-x) * chi(x) * psi(-x^3) in powers of x where phi(), psi(), chi() are Ramanujan theta functions.

Table of values

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

List of values

[1, -1, -2, 0, 2, 3, -2, 0, 1, -2, -2, 0, 2, 0, -2, 0, 3, -2, 0, 0, 2, 3, -2, 0, 2, -2, -2, 0, 0, 0, -4, 0, 2, -1, -2, 0, 2, 6, 0, 0, 1, -2, -2, 0, 4, 0, -2, 0, 0, -2, -2, 0, 2, 0, -2, 0, 3, -2, -2, 0, 2, 0, 0, 0, 2, -3, -2, 0, 0, 6, -2, 0, 4, 0, -2, 0, 2, 0]

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