A230534 - cp's OEIS frontend

A230534 Expansion of phi(x) / phi(x^2) * f(-x, -x^7) / f(-x^3, -x^5) in powers of x where phi(), f() are Ramanujan theta functions.

n	a(n)
0	1
1	1
2	-4
3	-1
4	11
5	-1
6	-20
7	2
8	34
9	1
10	-64
11	-2
12	113
13	-2
14	-180
15	2
16	284
17	4
18	-452
19	-4
20	698
21	-5
22	-1044
23	6
24	1545
25	6
26	-2276
27	-7
28	3308
29	-9
30	-4724
31	10
32	6680
33	13
34	-9408
35	-15
36	13130
37	-17
38	-18112
39	20
40	24821
41	21
42	-33864
43	-25
44	45882
45	-28
46	-61696
47	32
48	82514
49	39
50	-109892
51	-43

[1, 1, -4, -1, 11, -1, -20, 2, 34, 1, -64, -2, 113, -2, -180, 2, 284, 4, -452, -4, 698, -5, -1044, 6, 1545, 6, -2276, -7, 3308, -9, -4724, 10, 6680, 13, -9408, -15, 13130, -17, -18112, 20, 24821, 21, -33864, -25, 45882, -28, -61696, 32, 82514, 39, -109892, -43]

cp's OEIS Frontend

A230534 Expansion of phi(x) / phi(x^2) * f(-x, -x^7) / f(-x^3, -x^5) in powers of x where phi(), f() are Ramanujan theta functions.

Table of values

List of values