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.

A107033 Expansion of f(x, x) * f(x, -x^2) in powers of x where f(,) is a Ramanujan theta function.

Table of values

n a(n)
0 1
1 3
2 1
3 -2
4 2
5 1
6 -4
7 -1
8 -2
9 0
10 2
11 -4
12 -1
13 -2
14 -2
15 1
16 0
17 2
18 -2
19 2
20 0
21 -4
22 1
23 0
24 2
25 2
26 5
27 0
28 -2
29 0
30 0
31 4
32 -2
33 0
34 0
35 3
36 4
37 0
38 0
39 2
40 1
41 -4
42 2
43 -2
44 0
45 0
46 0
47 2
48 -2
49 0
50 2
51 3
52 -2
53 0
54 -2
55 -2
56 -4
57 -1
58 0
59 0
60 0
61 -4
62 2
63 0
64 4
65 0
66 -4
67 -2
68 0
69 -2
70 -1
71 0
72 0
73 -2
74 -2
75 2
76 -6
77 1
78 2
79 0
80 0
81 4
82 0
83 -2
84 2
85 0
86 0
87 -2
88 -2
89 -2
90 2
91 0
92 1
93 0
94 0
95 -2
96 4
97 0
98 0
99 2
100 1
101 6
102 0
103 2
104 0

List of values

[1, 3, 1, -2, 2, 1, -4, -1, -2, 0, 2, -4, -1, -2, -2, 1, 0, 2, -2, 2, 0, -4, 1, 0, 2, 2, 5, 0, -2, 0, 0, 4, -2, 0, 0, 3, 4, 0, 0, 2, 1, -4, 2, -2, 0, 0, 0, 2, -2, 0, 2, 3, -2, 0, -2, -2, -4, -1, 0, 0, 0, -4, 2, 0, 4, 0, -4, -2, 0, -2, -1, 0, 0, -2, -2, 2, -6, 1, 2, 0, 0, 4, 0, -2, 2, 0, 0, -2, -2, -2, 2, 0, 1, 0, 0, -2, 4, 0, 0, 2, 1, 6, 0, 2, 0]