A232356 - cp's OEIS frontend

A232356 Expansion of 2/9 * c(q) * c(q^2) - q * (psi(q) * psi(q^3))^2 in powers of q where psi() is a Ramanujan theta function and c(q) is a cubic AGM theta function.

n	a(n)
1	1
2	0
3	5
4	-2
5	6
6	4
7	8
8	-6
9	17
10	0
11	12
12	2
13	14
14	0
15	30
16	-14
17	18
18	16
19	20
20	-12
21	40
22	0
23	24
24	-2
25	31
26	0
27	53
28	-16
29	30
30	24
31	32
32	-30
33	60
34	0
35	48
36	14
37	38
38	0
39	70
40	-36
41	42
42	32
43	44
44	-24
45	102
46	0
47	48
48	-10
49	57
50	0
51	90
52	-28
53	54
54	52
55	72
56	-48
57	100
58	0
59	60
60	12
61	62
62	0
63	136
64	-62
65	84
66	48

[1, 0, 5, -2, 6, 4, 8, -6, 17, 0, 12, 2, 14, 0, 30, -14, 18, 16, 20, -12, 40, 0, 24, -2, 31, 0, 53, -16, 30, 24, 32, -30, 60, 0, 48, 14, 38, 0, 70, -36, 42, 32, 44, -24, 102, 0, 48, -10, 57, 0, 90, -28, 54, 52, 72, -48, 100, 0, 60, 12, 62, 0, 136, -62, 84, 48]

cp's OEIS Frontend

A232356 Expansion of 2/9 * c(q) * c(q^2) - q * (psi(q) * psi(q^3))^2 in powers of q where psi() is a Ramanujan theta function and c(q) is a cubic AGM theta function.

Table of values

List of values

n	a(n)
1	1
2	0
3	5
4	-2
5	6
6	4
7	8
8	-6
9	17
10	0
11	12
12	2
13	14
14	0
15	30
16	-14
17	18
18	16
19	20
20	-12
21	40
22	0
23	24
24	-2
25	31
26	0
27	53
28	-16
29	30
30	24
31	32
32	-30
33	60
34	0
35	48
36	14
37	38
38	0
39	70
40	-36
41	42
42	32
43	44
44	-24
45	102
46	0
47	48
48	-10
49	57
50	0
51	90
52	-28
53	54
54	52
55	72
56	-48
57	100
58	0
59	60
60	12
61	62
62	0
63	136
64	-62
65	84
66	48

n	a(n)
1	1
2	0
3	5
4	-2
5	6
6	4
7	8
8	-6
9	17
10	0
11	12
12	2
13	14
14	0
15	30
16	-14
17	18
18	16
19	20
20	-12
21	40
22	0
23	24
24	-2
25	31
26	0
27	53
28	-16
29	30
30	24
31	32
32	-30
33	60
34	0
35	48
36	14
37	38
38	0
39	70
40	-36
41	42
42	32
43	44
44	-24
45	102
46	0
47	48
48	-10
49	57
50	0
51	90
52	-28
53	54
54	52
55	72
56	-48
57	100
58	0
59	60
60	12
61	62
62	0
63	136
64	-62
65	84
66	48

n	a(n)
1	1
2	0
3	5
4	-2
5	6
6	4
7	8
8	-6
9	17
10	0
11	12
12	2
13	14
14	0
15	30
16	-14
17	18
18	16
19	20
20	-12
21	40
22	0
23	24
24	-2
25	31
26	0
27	53
28	-16
29	30
30	24
31	32
32	-30
33	60
34	0
35	48
36	14
37	38
38	0
39	70
40	-36
41	42
42	32
43	44
44	-24
45	102
46	0
47	48
48	-10
49	57
50	0
51	90
52	-28
53	54
54	52
55	72
56	-48
57	100
58	0
59	60
60	12
61	62
62	0
63	136
64	-62
65	84
66	48