A225912 - cp's OEIS frontend

A225912 Expansion of q * (phi(-q^2) * psi(-q)^2)^4 in powers of q where phi(), psi() are Ramanujan theta functions.

n	a(n)
0	0
1	1
2	-8
3	20
4	0
5	-74
6	96
7	-24
8	0
9	157
10	-432
11	124
12	0
13	478
14	704
15	-1480
16	0
17	-1198
18	792
19	3044
20	0
21	-480
22	-4320
23	184
24	0
25	2351
26	3344
27	-1720
28	0
29	-3282
30	5184
31	-5728
32	0
33	2480
34	-4752
35	1776
36	0
37	10326
38	-6688
39	9560
40	0
41	-8886
42	-8448
43	-9188
44	0
45	-11618
46	32832
47	23664
48	0
49	-16231

[0, 1, -8, 20, 0, -74, 96, -24, 0, 157, -432, 124, 0, 478, 704, -1480, 0, -1198, 792, 3044, 0, -480, -4320, 184, 0, 2351, 3344, -1720, 0, -3282, 5184, -5728, 0, 2480, -4752, 1776, 0, 10326, -6688, 9560, 0, -8886, -8448, -9188, 0, -11618, 32832, 23664, 0, -16231]

cp's OEIS Frontend

A225912 Expansion of q * (phi(-q^2) * psi(-q)^2)^4 in powers of q where phi(), psi() are Ramanujan theta functions.

Table of values

List of values