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.

A227595 Expansion of phi(-x) * psi(x^3)^2 / chi(-x^3) in powers of x where phi(), psi(), chi() are Ramanujan theta functions.

Table of values

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

List of values

[1, -2, 0, 3, -4, 0, 4, -2, 0, 5, -6, 0, 5, -8, 0, 5, -2, 0, 7, -10, 0, 7, -8, 0, 9, 0, 0, 7, -12, 0, 6, -12, 0, 11, -6, 0, 8, -10, 0, 10, -12, 0, 8, -4, 0, 9, -12, 0, 14, -16, 0, 10, 0, 0, 15, -14, 0, 7, -16, 0, 7, -8, 0, 14, -18, 0, 14, -12, 0, 16, -2, 0, 8]