A139631 - cp's OEIS frontend

A139631 Expansion of chi(x^5) / chi(-x^2) in powers of x where chi() is a Ramanujan theta function.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	2
7	1
8	2
9	1
10	3
11	2
12	4
13	2
14	5
15	4
16	6
17	5
18	8
19	6
20	11
21	8
22	13
23	10
24	16
25	14
26	20
27	17
28	24
29	21
30	31
31	26
32	37
33	32
34	44
35	41
36	54
37	49
38	64
39	59
40	79
41	72
42	94
43	86
44	111
45	106
46	132
47	126
48	156
49	149
50	187
51	178
52	219
53	210
54	257
55	251
56	302
57	295
58	352
59	346
60	416
61	406
62	483
63	474
64	560

[1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 3, 2, 4, 2, 5, 4, 6, 5, 8, 6, 11, 8, 13, 10, 16, 14, 20, 17, 24, 21, 31, 26, 37, 32, 44, 41, 54, 49, 64, 59, 79, 72, 94, 86, 111, 106, 132, 126, 156, 149, 187, 178, 219, 210, 257, 251, 302, 295, 352, 346, 416, 406, 483, 474, 560]

cp's OEIS Frontend

A139631 Expansion of chi(x^5) / chi(-x^2) in powers of x where chi() is a Ramanujan theta function.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	2
7	1
8	2
9	1
10	3
11	2
12	4
13	2
14	5
15	4
16	6
17	5
18	8
19	6
20	11
21	8
22	13
23	10
24	16
25	14
26	20
27	17
28	24
29	21
30	31
31	26
32	37
33	32
34	44
35	41
36	54
37	49
38	64
39	59
40	79
41	72
42	94
43	86
44	111
45	106
46	132
47	126
48	156
49	149
50	187
51	178
52	219
53	210
54	257
55	251
56	302
57	295
58	352
59	346
60	416
61	406
62	483
63	474
64	560

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	2
7	1
8	2
9	1
10	3
11	2
12	4
13	2
14	5
15	4
16	6
17	5
18	8
19	6
20	11
21	8
22	13
23	10
24	16
25	14
26	20
27	17
28	24
29	21
30	31
31	26
32	37
33	32
34	44
35	41
36	54
37	49
38	64
39	59
40	79
41	72
42	94
43	86
44	111
45	106
46	132
47	126
48	156
49	149
50	187
51	178
52	219
53	210
54	257
55	251
56	302
57	295
58	352
59	346
60	416
61	406
62	483
63	474
64	560

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	2
7	1
8	2
9	1
10	3
11	2
12	4
13	2
14	5
15	4
16	6
17	5
18	8
19	6
20	11
21	8
22	13
23	10
24	16
25	14
26	20
27	17
28	24
29	21
30	31
31	26
32	37
33	32
34	44
35	41
36	54
37	49
38	64
39	59
40	79
41	72
42	94
43	86
44	111
45	106
46	132
47	126
48	156
49	149
50	187
51	178
52	219
53	210
54	257
55	251
56	302
57	295
58	352
59	346
60	416
61	406
62	483
63	474
64	560