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A246650 Expansion of phi(x) * chi(-x) * psi(x^3) in powers of x where phi(), psi(), chi() are Ramanujan theta functions.

Table of values

n a(n)
0 1
1 1
2 -2
3 0
4 2
5 -3
6 -2
7 0
8 1
9 2
10 -2
11 0
12 2
13 0
14 -2
15 0
16 3
17 2
18 0
19 0
20 2
21 -3
22 -2
23 0
24 2
25 2
26 -2
27 0
28 0
29 0
30 -4
31 0
32 2
33 1
34 -2
35 0
36 2
37 -6
38 0
39 0
40 1
41 2
42 -2
43 0
44 4
45 0
46 -2
47 0
48 0
49 2
50 -2
51 0
52 2
53 0
54 -2
55 0
56 3
57 2
58 -2
59 0
60 2
61 0
62 0
63 0
64 2
65 3
66 -2
67 0
68 0
69 -6
70 -2
71 0
72 4
73 0
74 -2
75 0
76 2
77 0
78 0
79 0

List of values

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

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