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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.

A125095 Expansion of phi(-x) * psi(x^4) in powers of x where psi(), phi() are Ramanujan theta functions.

Table of values

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

List of values

[1, -2, 0, 0, 3, -2, 0, 0, 2, -2, 0, 0, 1, -4, 0, 0, 4, 0, 0, 0, 2, -2, 0, 0, 1, -4, 0, 0, 4, -2, 0, 0, 0, -2, 0, 0, 2, -2, 0, 0, 5, -2, 0, 0, 2, 0, 0, 0, 2, -6, 0, 0, 0, -2, 0, 0, 2, 0, 0, 0, 3, -4, 0, 0, 4, -2, 0, 0, 2, -2, 0, 0, 0, -2, 0, 0, 6, 0, 0, 0, 0]

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