A258292 - cp's OEIS frontend

A258292 Expansion of psi(-q)^2 * chi(q^3)^2 in powers of q where psi(), f() are Ramanujan theta functions.

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

[1, -2, 1, 0, -2, 2, 0, 0, 1, 4, -4, 0, 0, -4, 0, 0, -2, 2, 4, 0, 2, 0, 0, 0, 0, -6, 2, 0, 0, 2, 0, 0, 1, 0, -4, 0, 4, -4, 0, 0, -4, 2, 0, 0, 0, 8, 0, 0, 0, -2, 3, 0, -4, 2, 0, 0, 0, 0, -4, 0, 0, -4, 0, 0, -2, 4, 0, 0, 2, 0, 0, 0, 4, -4, 2, 0, 0, 0, 0, 0, 2, 4]

cp's OEIS Frontend

A258292 Expansion of psi(-q)^2 * chi(q^3)^2 in powers of q where psi(), f() are Ramanujan theta functions.

Table of values

List of values

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

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

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