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.

A258940 Expansion of f(-x^8) * f(-x^12) * f(-x^24) * f(-x^2, -x^6)^2 / (f(-x^2) * f(-x^3, -x^5) * f(-x^3, -x^21)) in powers of x where f() is a Ramanujan theta function and f(, ) is Ramanujan's general theta function.

Table of values

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

List of values

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