A263527 - cp's OEIS frontend

A263527 Expansion of phi(-x^3) * f(-x^6)^3 / f(-x^2) in powers of x where phi(), f() are Ramanujan theta functions.

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

[1, 0, 1, -2, 2, -2, 0, -4, 2, 0, 1, -4, 4, -2, 2, -4, 5, 0, 2, -2, 6, -4, 2, -4, 6, 0, 0, -6, 4, -2, 4, -8, 7, 0, 2, -10, 4, -6, 0, -4, 6, 0, 1, -6, 8, -6, 4, -8, 4, 0, 4, -8, 10, -4, 2, -8, 8, 0, 2, -6, 12, -4, 4, -8, 8, 0, 5, -8, 6, -4, 0, -8, 14, 0, 2, -10]

cp's OEIS Frontend

A263527 Expansion of phi(-x^3) * f(-x^6)^3 / f(-x^2) in powers of x where phi(), f() are Ramanujan theta functions.

Table of values

List of values

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

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

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