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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.

A259657 Expansion of phi(-x^3) * f(-x^4)^3 / f(-x^12) in powers of x where phi(), f() are Ramanujan theta functions.

Table of values

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

List of values

[1, 0, 0, -2, -3, 0, 0, 6, 0, 0, 0, 0, 8, 0, 0, -12, -9, 0, 0, 6, 0, 0, 0, 0, 12, 0, 0, -2, -12, 0, 0, 18, 0, 0, 0, 0, 6, 0, 0, -24, -12, 0, 0, 6, 0, 0, 0, 0, 20, 0, 0, -12, -12, 0, 0, 24, 0, 0, 0, 0, 24, 0, 0, -12, -21, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, -14, -24]

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