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.

A208457 Expansion of x * f(-x) * f(-x^12)^3 * psi(-x^3) / psi(x^2) in powers of x where psi(), f() are Ramanujan theta functions.

Table of values

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

List of values

[0, 1, -1, -2, 0, 3, 2, -4, 0, 5, -1, -8, 0, 7, 4, -8, 0, 9, -8, -10, 0, 14, 6, -12, 0, 16, -6, -14, 0, 15, 8, -20, 0, 17, -14, -18, 0, 19, 10, -24, 0, 26, -1, -22, 0, 23, 16, -28, 0, 25, -20, -32, 0, 32, 14, -28, 0, 29, -12, -30, 0, 38, 16, -32, 0, 33, -31]