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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.

A255365 Expansion of phi(-x^3) * phi(-x^48) / chi(-x^16) in powers of x where phi(), chi() are Ramanujan theta functions.

Table of values

n a(n)
0 1
1 0
2 0
3 -2
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 2
13 0
14 0
15 0
16 1
17 0
18 0
19 -2
20 0
21 0
22 0
23 0
24 0
25 0
26 0
27 -2
28 2
29 0
30 0
31 0
32 1
33 0
34 0
35 -2
36 0
37 0
38 0
39 0
40 0
41 0
42 0
43 -2
44 2
45 0
46 0
47 0
48 2
49 0
50 0
51 0
52 0
53 0
54 0
55 0
56 0
57 0
58 0
59 -2
60 0
61 0
62 0
63 0
64 2
65 0
66 0
67 0
68 0
69 0
70 0
71 0
72 0
73 0
74 0
75 -2
76 0
77 0
78 0
79 0
80 3
81 0
82 0
83 -2

List of values

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

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