A259920 - cp's OEIS frontend

A259920 Expansion of phi(-x^5) * f(-x^5) / f(-x, -x^4) in powers of x where phi() and f() are Ramanujan theta functions.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	0
6	1
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	2
16	3
17	1
18	3
19	2
20	5
21	3
22	5
23	2
24	6
25	3
26	6
27	3
28	7
29	4
30	7
31	5
32	9
33	5
34	9
35	5
36	11
37	6
38	11
39	7
40	14
41	7
42	15
43	9
44	17
45	9
46	17
47	9
48	21
49	11
50	21
51	12
52	25
53	13
54	25
55	15
56	29
57	16
58	31
59	17
60	35
61	19
62	37
63	21
64	42
65	22
66	44
67	25
68	49
69	27
70	52
71	29
72	58
73	32
74	61

[1, 1, 1, 1, 2, 0, 1, 1, 2, 1, 2, 1, 3, 2, 2, 2, 3, 1, 3, 2, 5, 3, 5, 2, 6, 3, 6, 3, 7, 4, 7, 5, 9, 5, 9, 5, 11, 6, 11, 7, 14, 7, 15, 9, 17, 9, 17, 9, 21, 11, 21, 12, 25, 13, 25, 15, 29, 16, 31, 17, 35, 19, 37, 21, 42, 22, 44, 25, 49, 27, 52, 29, 58, 32, 61]

cp's OEIS Frontend

A259920 Expansion of phi(-x^5) * f(-x^5) / f(-x, -x^4) in powers of x where phi() and f() are Ramanujan theta functions.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	0
6	1
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	2
16	3
17	1
18	3
19	2
20	5
21	3
22	5
23	2
24	6
25	3
26	6
27	3
28	7
29	4
30	7
31	5
32	9
33	5
34	9
35	5
36	11
37	6
38	11
39	7
40	14
41	7
42	15
43	9
44	17
45	9
46	17
47	9
48	21
49	11
50	21
51	12
52	25
53	13
54	25
55	15
56	29
57	16
58	31
59	17
60	35
61	19
62	37
63	21
64	42
65	22
66	44
67	25
68	49
69	27
70	52
71	29
72	58
73	32
74	61

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	0
6	1
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	2
16	3
17	1
18	3
19	2
20	5
21	3
22	5
23	2
24	6
25	3
26	6
27	3
28	7
29	4
30	7
31	5
32	9
33	5
34	9
35	5
36	11
37	6
38	11
39	7
40	14
41	7
42	15
43	9
44	17
45	9
46	17
47	9
48	21
49	11
50	21
51	12
52	25
53	13
54	25
55	15
56	29
57	16
58	31
59	17
60	35
61	19
62	37
63	21
64	42
65	22
66	44
67	25
68	49
69	27
70	52
71	29
72	58
73	32
74	61

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	0
6	1
7	1
8	2
9	1
10	2
11	1
12	3
13	2
14	2
15	2
16	3
17	1
18	3
19	2
20	5
21	3
22	5
23	2
24	6
25	3
26	6
27	3
28	7
29	4
30	7
31	5
32	9
33	5
34	9
35	5
36	11
37	6
38	11
39	7
40	14
41	7
42	15
43	9
44	17
45	9
46	17
47	9
48	21
49	11
50	21
51	12
52	25
53	13
54	25
55	15
56	29
57	16
58	31
59	17
60	35
61	19
62	37
63	21
64	42
65	22
66	44
67	25
68	49
69	27
70	52
71	29
72	58
73	32
74	61