A259660 - cp's OEIS frontend

A259660 Expansion of f(-x, -x^11) * psi(-x^3)^2 / psi(-x) in powers of x where psi(), f() are Ramanujan theta functions.

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

[1, 0, 0, -1, 1, 1, 0, 0, 1, 0, 0, -1, 1, 0, 0, 1, 1, -1, 0, -1, 2, 1, 0, 0, 0, 1, 0, -1, 1, 0, 0, -1, 1, 0, 0, 0, 1, 1, 0, 0, 2, 0, 0, -1, 1, 0, 0, 0, 1, -1, 0, -1, 0, 1, 0, 2, 1, 0, 0, -2, 2, 0, 0, 0, 1, 1, 0, -1, 0, 1, 0, 0, 2, -1, 0, 0, 1, 0, 0, 0, 1, -1]

cp's OEIS Frontend

A259660 Expansion of f(-x, -x^11) * psi(-x^3)^2 / psi(-x) in powers of x where psi(), f() are Ramanujan theta functions.

Table of values

List of values

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

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

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