A214639 - cp's OEIS frontend

A214639 Expansion of q * f(-q^2, -q^14) / f(-q, q^3) in powers of q where f(,) is Ramanujan's two-variable theta function.

n	a(n)
0	0
1	1
2	1
3	0
4	-1
5	-2
6	-2
7	0
8	3
9	5
10	4
11	0
12	-6
13	-10
14	-8
15	0
16	11
17	18
18	15
19	0
20	-20
21	-32
22	-26
23	0
24	34
25	55
26	44
27	0
28	-56
29	-90
30	-72
31	0
32	91
33	144
34	114
35	0
36	-143
37	-226
38	-178
39	0
40	220
41	346
42	272
43	0
44	-334
45	-522
46	-408
47	0
48	498
49	777
50	605
51	0
52	-732
53	-1138
54	-884
55	0
56	1064
57	1648
58	1276
59	0

[0, 1, 1, 0, -1, -2, -2, 0, 3, 5, 4, 0, -6, -10, -8, 0, 11, 18, 15, 0, -20, -32, -26, 0, 34, 55, 44, 0, -56, -90, -72, 0, 91, 144, 114, 0, -143, -226, -178, 0, 220, 346, 272, 0, -334, -522, -408, 0, 498, 777, 605, 0, -732, -1138, -884, 0, 1064, 1648, 1276, 0]

cp's OEIS Frontend

A214639 Expansion of q * f(-q^2, -q^14) / f(-q, q^3) in powers of q where f(,) is Ramanujan's two-variable theta function.

Table of values

List of values