A229502 - cp's OEIS frontend

A229502 Expansion of q * f(-q) * f(-q^4) * f(-q^16) * f(q, -q^3) in powers of q where f() is a Ramanujan theta function.

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

[1, 0, -2, -2, 0, 2, 2, 4, -1, -2, 0, 0, -2, -4, 2, -4, -2, 2, 6, 4, 0, 2, -6, -4, 3, 2, 0, 4, 6, 0, -8, 0, -2, 0, -4, -2, 0, -6, 2, -4, 0, 4, 0, -4, 2, 12, 8, 8, 3, -6, 4, 0, 0, -8, 2, 0, -6, -6, 0, -4, -18, 0, 2, 8, 2, 0, -10, 4, 0, 4, 10, 0, 4, 6, 0, 0, 4]

cp's OEIS Frontend

A229502 Expansion of q * f(-q) * f(-q^4) * f(-q^16) * f(q, -q^3) in powers of q where f() is a Ramanujan theta function.

Table of values

List of values

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

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

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