A133657 - cp's OEIS frontend

A133657 Expansion of q * (phi(q) * psi(q^4))^2 in powers of q where phi(), psi() are Ramanujan theta functions.

n	a(n)
1	1
2	4
3	4
4	0
5	6
6	16
7	8
8	0
9	13
10	24
11	12
12	0
13	14
14	32
15	24
16	0
17	18
18	52
19	20
20	0
21	32
22	48
23	24
24	0
25	31
26	56
27	40
28	0
29	30
30	96
31	32
32	0
33	48
34	72
35	48
36	0
37	38
38	80
39	56
40	0
41	42
42	128
43	44
44	0
45	78
46	96
47	48
48	0
49	57
50	124
51	72
52	0
53	54
54	160
55	72
56	0
57	80
58	120
59	60
60	0
61	62
62	128
63	104
64	0
65	84
66	192
67	68
68	0
69	96

[1, 4, 4, 0, 6, 16, 8, 0, 13, 24, 12, 0, 14, 32, 24, 0, 18, 52, 20, 0, 32, 48, 24, 0, 31, 56, 40, 0, 30, 96, 32, 0, 48, 72, 48, 0, 38, 80, 56, 0, 42, 128, 44, 0, 78, 96, 48, 0, 57, 124, 72, 0, 54, 160, 72, 0, 80, 120, 60, 0, 62, 128, 104, 0, 84, 192, 68, 0, 96]

cp's OEIS Frontend

A133657 Expansion of q * (phi(q) * psi(q^4))^2 in powers of q where phi(), psi() are Ramanujan theta functions.

Table of values

List of values

n	a(n)
1	1
2	4
3	4
4	0
5	6
6	16
7	8
8	0
9	13
10	24
11	12
12	0
13	14
14	32
15	24
16	0
17	18
18	52
19	20
20	0
21	32
22	48
23	24
24	0
25	31
26	56
27	40
28	0
29	30
30	96
31	32
32	0
33	48
34	72
35	48
36	0
37	38
38	80
39	56
40	0
41	42
42	128
43	44
44	0
45	78
46	96
47	48
48	0
49	57
50	124
51	72
52	0
53	54
54	160
55	72
56	0
57	80
58	120
59	60
60	0
61	62
62	128
63	104
64	0
65	84
66	192
67	68
68	0
69	96

n	a(n)
1	1
2	4
3	4
4	0
5	6
6	16
7	8
8	0
9	13
10	24
11	12
12	0
13	14
14	32
15	24
16	0
17	18
18	52
19	20
20	0
21	32
22	48
23	24
24	0
25	31
26	56
27	40
28	0
29	30
30	96
31	32
32	0
33	48
34	72
35	48
36	0
37	38
38	80
39	56
40	0
41	42
42	128
43	44
44	0
45	78
46	96
47	48
48	0
49	57
50	124
51	72
52	0
53	54
54	160
55	72
56	0
57	80
58	120
59	60
60	0
61	62
62	128
63	104
64	0
65	84
66	192
67	68
68	0
69	96

n	a(n)
1	1
2	4
3	4
4	0
5	6
6	16
7	8
8	0
9	13
10	24
11	12
12	0
13	14
14	32
15	24
16	0
17	18
18	52
19	20
20	0
21	32
22	48
23	24
24	0
25	31
26	56
27	40
28	0
29	30
30	96
31	32
32	0
33	48
34	72
35	48
36	0
37	38
38	80
39	56
40	0
41	42
42	128
43	44
44	0
45	78
46	96
47	48
48	0
49	57
50	124
51	72
52	0
53	54
54	160
55	72
56	0
57	80
58	120
59	60
60	0
61	62
62	128
63	104
64	0
65	84
66	192
67	68
68	0
69	96