A224821 - cp's OEIS frontend

A224821 Expansion of theta_4(q)^2 * theta_4(q^3) in powers of q.

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

[1, -4, 4, -2, 12, -16, 0, -8, 20, -4, 8, -8, 10, -32, 8, 0, 28, -24, 4, -8, 32, -16, 16, -16, 0, -28, 8, -2, 40, -48, 8, -8, 52, 0, 8, -16, 12, -64, 16, -8, 40, -24, 0, -24, 40, -16, 16, -16, 26, -28, 20, 0, 64, -80, 0, -16, 40, -24, 24, -8, 0, -64, 24, -8]

cp's OEIS Frontend

A224821 Expansion of theta_4(q)^2 * theta_4(q^3) in powers of q.

Table of values

List of values

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

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

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