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.

A190611 Expansion of f(q^3) * f(-q^8) * chi(-q^12) / chi(q) in powers of q where f(), chi() are Ramanujan theta functions.

Table of values

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

List of values

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

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.