A226559 - cp's OEIS frontend

A226559 Expansion of f(-x^1, -x^7) * f(-x^2, -x^6) / (f(-x^3, -x^5) * f(-x^4, -x^4)) in powers of x where f(, ) is Ramanujan's general theta function.

n	a(n)
0	1
1	-1
2	-1
3	2
4	1
5	-2
6	-2
7	2
8	4
9	-4
10	-5
11	6
12	6
13	-7
14	-9
15	10
16	13
17	-15
18	-17
19	20
20	21
21	-25
22	-28
23	32
24	39
25	-43
26	-49
27	56
28	60
29	-69
30	-78
31	86
32	101
33	-112
34	-125
35	142
36	153
37	-172
38	-192
39	212
40	241
41	-266
42	-295
43	328
44	357
45	-397
46	-438
47	482
48	540
49	-592
50	-652
51	720
52	781
53	-862
54	-946

[1, -1, -1, 2, 1, -2, -2, 2, 4, -4, -5, 6, 6, -7, -9, 10, 13, -15, -17, 20, 21, -25, -28, 32, 39, -43, -49, 56, 60, -69, -78, 86, 101, -112, -125, 142, 153, -172, -192, 212, 241, -266, -295, 328, 357, -397, -438, 482, 540, -592, -652, 720, 781, -862, -946]

cp's OEIS Frontend

A226559 Expansion of f(-x^1, -x^7) * f(-x^2, -x^6) / (f(-x^3, -x^5) * f(-x^4, -x^4)) in powers of x where f(, ) is Ramanujan's general theta function.

Table of values

List of values