A246838 - cp's OEIS frontend

A246838 Expansion of f(-x^2) * f(-x^12)^2 / f(x^1, x^5) in powers of x where f() is Ramanujan theta function.

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

[1, -1, 0, 0, -1, 0, 1, -1, 0, 2, -1, 0, 0, 0, 0, 2, -1, 0, 1, -1, 0, 0, -2, 0, 0, -1, 0, 2, 0, 0, 0, -1, 0, 0, -1, 0, 3, -1, 0, 0, -1, 0, 2, -1, 0, 2, 0, 0, 0, -1, 0, 0, -1, 0, 2, -1, 0, 0, 0, 0, 1, -2, 0, 0, -2, 0, 0, -1, 0, 2, -1, 0, 2, 0, 0, 0, -1, 0, 0, 0]

cp's OEIS Frontend

A246838 Expansion of f(-x^2) * f(-x^12)^2 / f(x^1, x^5) in powers of x where f() is Ramanujan theta function.

Table of values

List of values

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

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

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