A257873 - cp's OEIS frontend

A257873 Expansion of f(-x)^2 * chi(-x^4) * psi(x^6) in powers of x where psi(), chi(), f() are Ramanujan theta functions.

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

[1, -2, -1, 2, 0, 4, 0, -4, -4, -2, 3, 4, 0, 4, 0, -8, 5, -6, 0, 6, 0, 4, 0, -4, -4, -8, -4, 10, 0, 8, 0, -4, 9, -6, -4, 6, 0, 8, 0, -8, -12, -12, 3, 6, 0, 12, 0, -12, 8, -6, 12, 8, 0, 8, 0, -12, -8, -10, -4, 6, 0, 12, 0, -8, 8, -10, -5, 16, 0, 8, 0, -12, -12]

cp's OEIS Frontend

A257873 Expansion of f(-x)^2 * chi(-x^4) * psi(x^6) in powers of x where psi(), chi(), f() are Ramanujan theta functions.

Table of values

List of values

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

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

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