A147699 - cp's OEIS frontend

A147699 Expansion of f(x) * f(x^5) / phi(-x^10)^2 in powers of x where f(), phi() are Ramanujan theta functions.

n	a(n)
0	1
1	1
2	-1
3	0
4	0
5	0
6	1
7	-2
8	0
9	0
10	2
11	3
12	-5
13	0
14	0
15	2
16	4
17	-8
18	0
19	0
20	5
21	8
22	-14
23	0
24	0
25	6
26	12
27	-22
28	0
29	0
30	13
31	21
32	-36
33	0
34	0
35	16
36	30
37	-54
38	0
39	0
40	28
41	48
42	-83
43	0
44	0
45	38
46	68
47	-120
48	0
49	0
50	60
51	102
52	-176
53	0
54	0
55	80
56	143
57	-250
58	0
59	0
60	122
61	207
62	-356
63	0
64	0
65	162
66	284
67	-494
68	0
69	0

[1, 1, -1, 0, 0, 0, 1, -2, 0, 0, 2, 3, -5, 0, 0, 2, 4, -8, 0, 0, 5, 8, -14, 0, 0, 6, 12, -22, 0, 0, 13, 21, -36, 0, 0, 16, 30, -54, 0, 0, 28, 48, -83, 0, 0, 38, 68, -120, 0, 0, 60, 102, -176, 0, 0, 80, 143, -250, 0, 0, 122, 207, -356, 0, 0, 162, 284, -494, 0, 0]

cp's OEIS Frontend

A147699 Expansion of f(x) * f(x^5) / phi(-x^10)^2 in powers of x where f(), phi() are Ramanujan theta functions.

Table of values

List of values