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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.

A182035 Expansion of chi(-q) * chi(-q^2) * chi(-q^6) * psi(q^6)^2 / (psi(q^9) * phi(-q^9)) in powers of q where phi(), psi(), chi() are Ramanujan theta functions.

Table of values

n a(n)
0 1
1 -1
2 -1
3 0
4 1
5 0
6 0
7 0
8 1
9 0
10 -2
11 0
12 0
13 2
14 0
15 0
16 1
17 0
18 0
19 -4
20 -2
21 0
22 4
23 0
24 0
25 1
26 2
27 0
28 -8
29 0
30 0
31 8
32 1
33 0
34 2
35 0
36 0
37 -14
38 -4
39 0
40 14
41 0
42 0
43 4
44 4
45 0
46 -24
47 0
48 0
49 23
50 1
51 0
52 6
53 0
54 0
55 -40
56 -8
57 0
58 38
59 0
60 0
61 10
62 8
63 0
64 -63
65 0
66 0
67 60
68 2
69 0
70 16
71 0
72 0
73 -98
74 -14
75 0
76 92

List of values

[1, -1, -1, 0, 1, 0, 0, 0, 1, 0, -2, 0, 0, 2, 0, 0, 1, 0, 0, -4, -2, 0, 4, 0, 0, 1, 2, 0, -8, 0, 0, 8, 1, 0, 2, 0, 0, -14, -4, 0, 14, 0, 0, 4, 4, 0, -24, 0, 0, 23, 1, 0, 6, 0, 0, -40, -8, 0, 38, 0, 0, 10, 8, 0, -63, 0, 0, 60, 2, 0, 16, 0, 0, -98, -14, 0, 92]