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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.

A246833 Expansion of psi(-x)^2 * psi(x^4) in powers of x where psi() is a Ramanujan theta function.

Table of values

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

List of values

[1, -2, 1, -2, 3, -2, 4, -4, 2, -2, 5, -4, 2, -6, 3, -6, 7, -2, 5, -4, 5, -6, 6, -2, 5, -10, 3, -6, 10, -4, 6, -8, 3, -8, 7, -6, 7, -6, 4, -6, 11, -6, 9, -10, 3, -6, 14, -4, 8, -10, 8, -10, 5, -6, 4, -16, 7, -4, 10, -4, 13, -14, 7, -8, 8, -6, 10, -12, 7, -12]

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