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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.

A246835 Expansion of psi(-x)^2 * phi(x^2) in powers of x where phi(), psi() are Ramanujan theta functions.

Table of values

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

List of values

[1, -2, 3, -6, 4, -4, 7, -2, 8, -10, 4, -10, 9, -6, 8, -10, 4, -8, 16, -8, 9, -12, 8, -12, 20, -6, 8, -10, 8, -18, 11, -12, 8, -20, 12, -8, 20, -6, 20, -26, 8, -8, 15, -10, 16, -18, 12, -16, 20, -10, 16, -16, 8, -24, 24, -8, 21, -26, 8, -20, 20, -14, 8, -28]

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