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.

A263577 Expansion of psi(-x^2) * psi(x^3)^2 / f(-x^24) in powers of x where psi(), f() are Ramanujan theta functions.

Table of values

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

List of values

[1, 0, -1, 2, 0, -2, 0, 0, -1, 0, 0, -2, 2, 0, -2, 0, 0, 0, 2, 0, -2, 4, 0, 0, 0, 0, 0, 2, 0, -2, 4, 0, -1, 0, 0, -4, 0, 0, 0, 0, 0, 0, 0, 0, -2, 4, 0, 0, 2, 0, -3, 0, 0, -2, 0, 0, -2, 0, 0, -2, 0, 0, -2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 2, 0, 0, 6, 0, -4, 0, 0, -2]

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

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