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.

A258277 Expansion of chi(-q) * phi(-q^3) * psi(q^3) in powers of q where chi(), phi(), psi() are Ramanujan theta functions.

Table of values

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

List of values

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