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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.

A258779 Expansion of (f(-x) * phi(x))^2 in powers of x where phi(), f() are Ramanujan theta functions.

Table of values

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

List of values

[1, 2, -5, -10, 9, 14, -10, 0, 14, 2, -11, -32, 0, 14, -9, 26, 2, 0, 16, -22, 14, 0, 0, 26, -17, -32, -22, -10, -34, 14, 45, 38, 0, -34, 38, -22, 2, 0, -10, 64, -20, 0, 0, 0, -23, -46, 16, 0, -46, -32, 26, -10, 25, 18, 0, 38, 50, 0, 0, -22, -80, 50, 0, 26, 2]

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