A138507 - cp's OEIS frontend

A138507 Expansion of (f(q)^5 / f(q^5) - 1) / 5 in powers of q where f() is a Ramanujan theta function.

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

[1, 1, -2, -3, 1, -2, -6, 5, 7, 1, 12, 6, -12, -6, -2, -11, -16, 7, 20, -3, 12, 12, -22, -10, 1, -12, -20, 18, 30, -2, 32, 21, -24, -16, -6, -21, -36, 20, 24, 5, 42, 12, -42, -36, 7, -22, -46, 22, 43, 1, 32, 36, -52, -20, 12, -30, -40, 30, 60, 6, 62, 32, -42, -43, -12, -24, -66, 48, 44, -6, 72, 35, -72, -36, -2, -60, -72, 24]

cp's OEIS Frontend

A138507 Expansion of (f(q)^5 / f(q^5) - 1) / 5 in powers of q where f() is a Ramanujan theta function.

Table of values

List of values

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

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

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