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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.

A138952 Expansion of (eta(q^2)^7 * eta(q^3)^2 * eta(q^12) / (eta(q)^2 * eta(q^4)^3 * eta(q^6)^3) - 1) / 2 in powers of q.

Table of values

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

List of values

[1, -1, -3, -1, 2, 3, 0, -1, 1, -2, 0, 3, 2, 0, -6, -1, 2, -1, 0, -2, 0, 0, 0, 3, 3, -2, -3, 0, 2, 6, 0, -1, 0, -2, 0, -1, 2, 0, -6, -2, 2, 0, 0, 0, 2, 0, 0, 3, 1, -3, -6, -2, 2, 3, 0, 0, 0, -2, 0, 6, 2, 0, 0, -1, 4, 0, 0, -2, 0, 0, 0, -1, 2, -2, -9, 0, 0, 6, 0]

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