cp's OEIS Frontend

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.

A229893 Expansion of q^2 * f(-q) * f(-q^4) * f(-q^16) * f(-q^2, -q^14) in powers of q where f() is a Ramanujan theta function.

Table of values

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

List of values

[1, -1, -2, 1, 0, 2, 2, -1, -2, -1, 2, -1, -2, 0, 0, 0, 1, 3, 2, -2, 2, -6, -4, 3, 0, 4, 0, 3, 2, 0, -4, 0, -2, -2, 0, -3, 0, 2, 0, 0, 4, -5, -2, 1, 6, 0, 4, 0, -3, 2, 2, 5, -8, 2, 4, -6, 0, 3, -4, -9, -8, 0, 8, 0, -2, -5, 4, 6, 0, 10, -2, 4, 6, -3, -6, 2, -2]