A193514 - cp's OEIS frontend

A193514 Expansion of phi(-q)^2 * phi(-q^9) / phi(-q^3) in powers of q where phi() is a Ramanujan theta function.

n	a(n)
0	1
1	-4
2	4
3	2
4	-4
5	0
6	4
7	-8
8	4
9	2
10	0
11	0
12	2
13	-8
14	8
15	0
16	-4
17	0
18	4
19	-8
20	0
21	4
22	0
23	0
24	4
25	-4
26	8
27	2
28	-8
29	0
30	0
31	-8
32	4
33	0
34	0
35	0
36	2
37	-8
38	8
39	4
40	0
41	0
42	8
43	-8
44	0
45	0
46	0
47	0
48	2
49	-12
50	4
51	0
52	-8
53	0
54	4
55	0
56	8
57	4
58	0
59	0
60	0
61	-8
62	8
63	4
64	-4
65	0
66	0
67	-8
68	0
69	0
70	0
71	0
72	4
73	-8
74	8
75	2
76	-8
77	0
78	8
79	-8
80	0
81	2
82	0
83	0
84	4
85	0
86	8
87	0
88	0
89	0
90	0
91	-16
92	0
93	4
94	0
95	0
96	4
97	-8

[1, -4, 4, 2, -4, 0, 4, -8, 4, 2, 0, 0, 2, -8, 8, 0, -4, 0, 4, -8, 0, 4, 0, 0, 4, -4, 8, 2, -8, 0, 0, -8, 4, 0, 0, 0, 2, -8, 8, 4, 0, 0, 8, -8, 0, 0, 0, 0, 2, -12, 4, 0, -8, 0, 4, 0, 8, 4, 0, 0, 0, -8, 8, 4, -4, 0, 0, -8, 0, 0, 0, 0, 4, -8, 8, 2, -8, 0, 8, -8, 0, 2, 0, 0, 4, 0, 8, 0, 0, 0, 0, -16, 0, 4, 0, 0, 4, -8]

cp's OEIS Frontend

A193514 Expansion of phi(-q)^2 * phi(-q^9) / phi(-q^3) in powers of q where phi() is a Ramanujan theta function.

Table of values

List of values

n	a(n)
0	1
1	-4
2	4
3	2
4	-4
5	0
6	4
7	-8
8	4
9	2
10	0
11	0
12	2
13	-8
14	8
15	0
16	-4
17	0
18	4
19	-8
20	0
21	4
22	0
23	0
24	4
25	-4
26	8
27	2
28	-8
29	0
30	0
31	-8
32	4
33	0
34	0
35	0
36	2
37	-8
38	8
39	4
40	0
41	0
42	8
43	-8
44	0
45	0
46	0
47	0
48	2
49	-12
50	4
51	0
52	-8
53	0
54	4
55	0
56	8
57	4
58	0
59	0
60	0
61	-8
62	8
63	4
64	-4
65	0
66	0
67	-8
68	0
69	0
70	0
71	0
72	4
73	-8
74	8
75	2
76	-8
77	0
78	8
79	-8
80	0
81	2
82	0
83	0
84	4
85	0
86	8
87	0
88	0
89	0
90	0
91	-16
92	0
93	4
94	0
95	0
96	4
97	-8

n	a(n)
0	1
1	-4
2	4
3	2
4	-4
5	0
6	4
7	-8
8	4
9	2
10	0
11	0
12	2
13	-8
14	8
15	0
16	-4
17	0
18	4
19	-8
20	0
21	4
22	0
23	0
24	4
25	-4
26	8
27	2
28	-8
29	0
30	0
31	-8
32	4
33	0
34	0
35	0
36	2
37	-8
38	8
39	4
40	0
41	0
42	8
43	-8
44	0
45	0
46	0
47	0
48	2
49	-12
50	4
51	0
52	-8
53	0
54	4
55	0
56	8
57	4
58	0
59	0
60	0
61	-8
62	8
63	4
64	-4
65	0
66	0
67	-8
68	0
69	0
70	0
71	0
72	4
73	-8
74	8
75	2
76	-8
77	0
78	8
79	-8
80	0
81	2
82	0
83	0
84	4
85	0
86	8
87	0
88	0
89	0
90	0
91	-16
92	0
93	4
94	0
95	0
96	4
97	-8

n	a(n)
0	1
1	-4
2	4
3	2
4	-4
5	0
6	4
7	-8
8	4
9	2
10	0
11	0
12	2
13	-8
14	8
15	0
16	-4
17	0
18	4
19	-8
20	0
21	4
22	0
23	0
24	4
25	-4
26	8
27	2
28	-8
29	0
30	0
31	-8
32	4
33	0
34	0
35	0
36	2
37	-8
38	8
39	4
40	0
41	0
42	8
43	-8
44	0
45	0
46	0
47	0
48	2
49	-12
50	4
51	0
52	-8
53	0
54	4
55	0
56	8
57	4
58	0
59	0
60	0
61	-8
62	8
63	4
64	-4
65	0
66	0
67	-8
68	0
69	0
70	0
71	0
72	4
73	-8
74	8
75	2
76	-8
77	0
78	8
79	-8
80	0
81	2
82	0
83	0
84	4
85	0
86	8
87	0
88	0
89	0
90	0
91	-16
92	0
93	4
94	0
95	0
96	4
97	-8