A129134 - cp's OEIS frontend

A129134 Expansion of (1 - phi(-q) * phi(-q^2)) / 2 in powers of q where phi() is a Ramanujan theta function.

n	a(n)
1	1
2	1
3	-2
4	-1
5	0
6	2
7	0
8	-1
9	3
10	0
11	-2
12	-2
13	0
14	0
15	0
16	-1
17	2
18	3
19	-2
20	0
21	0
22	2
23	0
24	-2
25	1
26	0
27	-4
28	0
29	0
30	0
31	0
32	-1
33	4
34	2
35	0
36	-3
37	0
38	2
39	0
40	0
41	2
42	0
43	-2
44	-2
45	0
46	0
47	0
48	-2
49	1
50	1
51	-4
52	0
53	0
54	4
55	0
56	0
57	4
58	0
59	-2
60	0
61	0
62	0
63	0
64	-1
65	0
66	4
67	-2
68	-2
69	0
70	0
71	0
72	-3
73	2
74	0
75	-2
76	-2
77	0
78	0
79	0
80	0
81	5
82	2
83	-2
84	0
85	0
86	2
87	0
88	-2
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	-2
97	2
98	1
99	-6
100	-1
101	0
102	4
103	0
104	0
105	0

[1, 1, -2, -1, 0, 2, 0, -1, 3, 0, -2, -2, 0, 0, 0, -1, 2, 3, -2, 0, 0, 2, 0, -2, 1, 0, -4, 0, 0, 0, 0, -1, 4, 2, 0, -3, 0, 2, 0, 0, 2, 0, -2, -2, 0, 0, 0, -2, 1, 1, -4, 0, 0, 4, 0, 0, 4, 0, -2, 0, 0, 0, 0, -1, 0, 4, -2, -2, 0, 0, 0, -3, 2, 0, -2, -2, 0, 0, 0, 0, 5, 2, -2, 0, 0, 2, 0, -2, 2, 0, 0, 0, 0, 0, 0, -2, 2, 1, -6, -1, 0, 4, 0, 0, 0]

cp's OEIS Frontend

A129134 Expansion of (1 - phi(-q) * phi(-q^2)) / 2 in powers of q where phi() is a Ramanujan theta function.

Table of values

List of values

n	a(n)
1	1
2	1
3	-2
4	-1
5	0
6	2
7	0
8	-1
9	3
10	0
11	-2
12	-2
13	0
14	0
15	0
16	-1
17	2
18	3
19	-2
20	0
21	0
22	2
23	0
24	-2
25	1
26	0
27	-4
28	0
29	0
30	0
31	0
32	-1
33	4
34	2
35	0
36	-3
37	0
38	2
39	0
40	0
41	2
42	0
43	-2
44	-2
45	0
46	0
47	0
48	-2
49	1
50	1
51	-4
52	0
53	0
54	4
55	0
56	0
57	4
58	0
59	-2
60	0
61	0
62	0
63	0
64	-1
65	0
66	4
67	-2
68	-2
69	0
70	0
71	0
72	-3
73	2
74	0
75	-2
76	-2
77	0
78	0
79	0
80	0
81	5
82	2
83	-2
84	0
85	0
86	2
87	0
88	-2
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	-2
97	2
98	1
99	-6
100	-1
101	0
102	4
103	0
104	0
105	0

n	a(n)
1	1
2	1
3	-2
4	-1
5	0
6	2
7	0
8	-1
9	3
10	0
11	-2
12	-2
13	0
14	0
15	0
16	-1
17	2
18	3
19	-2
20	0
21	0
22	2
23	0
24	-2
25	1
26	0
27	-4
28	0
29	0
30	0
31	0
32	-1
33	4
34	2
35	0
36	-3
37	0
38	2
39	0
40	0
41	2
42	0
43	-2
44	-2
45	0
46	0
47	0
48	-2
49	1
50	1
51	-4
52	0
53	0
54	4
55	0
56	0
57	4
58	0
59	-2
60	0
61	0
62	0
63	0
64	-1
65	0
66	4
67	-2
68	-2
69	0
70	0
71	0
72	-3
73	2
74	0
75	-2
76	-2
77	0
78	0
79	0
80	0
81	5
82	2
83	-2
84	0
85	0
86	2
87	0
88	-2
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	-2
97	2
98	1
99	-6
100	-1
101	0
102	4
103	0
104	0
105	0

n	a(n)
1	1
2	1
3	-2
4	-1
5	0
6	2
7	0
8	-1
9	3
10	0
11	-2
12	-2
13	0
14	0
15	0
16	-1
17	2
18	3
19	-2
20	0
21	0
22	2
23	0
24	-2
25	1
26	0
27	-4
28	0
29	0
30	0
31	0
32	-1
33	4
34	2
35	0
36	-3
37	0
38	2
39	0
40	0
41	2
42	0
43	-2
44	-2
45	0
46	0
47	0
48	-2
49	1
50	1
51	-4
52	0
53	0
54	4
55	0
56	0
57	4
58	0
59	-2
60	0
61	0
62	0
63	0
64	-1
65	0
66	4
67	-2
68	-2
69	0
70	0
71	0
72	-3
73	2
74	0
75	-2
76	-2
77	0
78	0
79	0
80	0
81	5
82	2
83	-2
84	0
85	0
86	2
87	0
88	-2
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	-2
97	2
98	1
99	-6
100	-1
101	0
102	4
103	0
104	0
105	0