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.

A266684 Expansion of f(-x) * f(-x^2)^4 / psi(x^3) in powers of x where psi(), f() are Ramanujan theta functions.

Table of values

n a(n)
0 1
1 -1
2 -5
3 3
4 7
5 4
6 3
7 -18
8 -17
9 -1
10 20
11 36
12 -9
13 -14
14 -18
15 -12
16 31
17 16
18 -5
19 -54
20 -28
21 6
22 36
23 72
24 15
25 -21
26 -70
27 3
28 54
29 28
30 -12
31 -90
32 -65
33 -12
34 80
35 72
36 7
37 -38
38 -54
39 42
40 68
41 40
42 30
43 -126
44 -108
45 4
46 72
47 144
48 -33
49 -43
50 -105
51 -48
52 98
53 52
54 3
55 -144
56 -90
57 18
58 140
59 180

List of values

[1, -1, -5, 3, 7, 4, 3, -18, -17, -1, 20, 36, -9, -14, -18, -12, 31, 16, -5, -54, -28, 6, 36, 72, 15, -21, -70, 3, 54, 28, -12, -90, -65, -12, 80, 72, 7, -38, -54, 42, 68, 40, 30, -126, -108, 4, 72, 144, -33, -43, -105, -48, 98, 52, 3, -144, -90, 18, 140, 180]