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.

A246814 Expansion of phi(-q) * phi(-q^4)^2 in powers of q where phi() is a Ramanujan theta function.

Table of values

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

List of values

[1, -2, 0, 0, -2, 8, 0, 0, -4, -10, 0, 0, 8, 8, 0, 0, 6, -16, 0, 0, -8, 16, 0, 0, -8, -10, 0, 0, 0, 24, 0, 0, 12, -16, 0, 0, -10, 8, 0, 0, -8, -32, 0, 0, 24, 24, 0, 0, 8, -18, 0, 0, -8, 24, 0, 0, -16, -16, 0, 0, 0, 24, 0, 0, 6, -32, 0, 0, -16, 32, 0, 0, -12]

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

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