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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.

A208845 Expansion of f(x)^2 in powers of x where f() is a Ramanujan theta function.

Table of values

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

List of values

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

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