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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.

A258278 Expansion of f(-x, -x^5)^2 in powers of x where f(,) is Ramanujan's general theta function.

Table of values

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

List of values

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

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