A113419 - cp's OEIS frontend

A113419 Expansion of phi(x)^2 * phi(-x) * psi(x^4) in powers of x where phi(), psi() are Ramanujan theta functions.

n	a(n)
0	1
1	2
2	-4
3	-8
4	7
5	10
6	-12
7	-8
8	18
9	18
10	-16
11	-24
12	21
13	20
14	-28
15	-32
16	20
17	32
18	-36
19	-24
20	42
21	42
22	-28
23	-48
24	57
25	36
26	-52
27	-40
28	36
29	58
30	-60
31	-56
32	48
33	66
34	-48
35	-72
36	74
37	42
38	-80
39	-80
40	61
41	82
42	-72
43	-56
44	90
45	96
46	-64
47	-72
48	98
49	70
50	-100
51	-104
52	64
53	106
54	-108
55	-72
56	114
57	96

[1, 2, -4, -8, 7, 10, -12, -8, 18, 18, -16, -24, 21, 20, -28, -32, 20, 32, -36, -24, 42, 42, -28, -48, 57, 36, -52, -40, 36, 58, -60, -56, 48, 66, -48, -72, 74, 42, -80, -80, 61, 82, -72, -56, 90, 96, -64, -72, 98, 70, -100, -104, 64, 106, -108, -72, 114, 96]

cp's OEIS Frontend

A113419 Expansion of phi(x)^2 * phi(-x) * psi(x^4) in powers of x where phi(), psi() are Ramanujan theta functions.

Table of values

List of values