A187150 - cp's OEIS frontend

A187150 Expansion of psi(-x)^4 / chi(-x)^2 in powers of x where psi(), chi() are Ramanujan theta functions.

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

[1, -2, 1, -2, 0, 4, 1, 2, -5, 0, -5, 4, 1, -2, -5, 0, 7, 4, 7, 0, -4, -10, 7, -8, 0, 4, 0, -8, 2, 0, 1, -2, 0, 2, 0, 14, 7, 0, -5, 10, -11, -8, -10, -2, 0, 10, -4, 4, 0, 0, -5, -8, -11, 10, 0, 0, 14, -2, 20, 0, -11, 4, 13, 2, -5, -14, 0, -14, 13, 0, -11, -14, 8, -2, 0, 10, 13, -18, 0, 0, -5]

cp's OEIS Frontend

A187150 Expansion of psi(-x)^4 / chi(-x)^2 in powers of x where psi(), chi() 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	1
7	2
8	-5
9	0
10	-5
11	4
12	1
13	-2
14	-5
15	0
16	7
17	4
18	7
19	0
20	-4
21	-10
22	7
23	-8
24	0
25	4
26	0
27	-8
28	2
29	0
30	1
31	-2
32	0
33	2
34	0
35	14
36	7
37	0
38	-5
39	10
40	-11
41	-8
42	-10
43	-2
44	0
45	10
46	-4
47	4
48	0
49	0
50	-5
51	-8
52	-11
53	10
54	0
55	0
56	14
57	-2
58	20
59	0
60	-11
61	4
62	13
63	2
64	-5
65	-14
66	0
67	-14
68	13
69	0
70	-11
71	-14
72	8
73	-2
74	0
75	10
76	13
77	-18
78	0
79	0
80	-5

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

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