A137676 - cp's OEIS frontend

A137676 Expansion of f(-x^2, -x^3) / f(-x, -x^3) in powers of x where f(, ) is Ramanujan's general theta function.

n	a(n)
0	1
1	1
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	2
10	0
11	0
12	2
13	2
14	0
15	0
16	3
17	3
18	0
19	0
20	4
21	4
22	0
23	0
24	5
25	6
26	0
27	0
28	7
29	7
30	0
31	0
32	9
33	10
34	0
35	0
36	12
37	12
38	0
39	0
40	15
41	16
42	0
43	0
44	19
45	20
46	0
47	0
48	24
49	26
50	0
51	0
52	30
53	31
54	0
55	0
56	37
57	40
58	0
59	0
60	46
61	48
62	0
63	0
64	57
65	60
66	0
67	0
68	69
69	72
70	0
71	0
72	84
73	89
74	0
75	0
76	102
77	106
78	0

[1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 0, 0, 2, 2, 0, 0, 3, 3, 0, 0, 4, 4, 0, 0, 5, 6, 0, 0, 7, 7, 0, 0, 9, 10, 0, 0, 12, 12, 0, 0, 15, 16, 0, 0, 19, 20, 0, 0, 24, 26, 0, 0, 30, 31, 0, 0, 37, 40, 0, 0, 46, 48, 0, 0, 57, 60, 0, 0, 69, 72, 0, 0, 84, 89, 0, 0, 102, 106, 0]

cp's OEIS Frontend

A137676 Expansion of f(-x^2, -x^3) / f(-x, -x^3) in powers of x where f(, ) is Ramanujan's general theta function.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	2
10	0
11	0
12	2
13	2
14	0
15	0
16	3
17	3
18	0
19	0
20	4
21	4
22	0
23	0
24	5
25	6
26	0
27	0
28	7
29	7
30	0
31	0
32	9
33	10
34	0
35	0
36	12
37	12
38	0
39	0
40	15
41	16
42	0
43	0
44	19
45	20
46	0
47	0
48	24
49	26
50	0
51	0
52	30
53	31
54	0
55	0
56	37
57	40
58	0
59	0
60	46
61	48
62	0
63	0
64	57
65	60
66	0
67	0
68	69
69	72
70	0
71	0
72	84
73	89
74	0
75	0
76	102
77	106
78	0

n	a(n)
0	1
1	1
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	2
10	0
11	0
12	2
13	2
14	0
15	0
16	3
17	3
18	0
19	0
20	4
21	4
22	0
23	0
24	5
25	6
26	0
27	0
28	7
29	7
30	0
31	0
32	9
33	10
34	0
35	0
36	12
37	12
38	0
39	0
40	15
41	16
42	0
43	0
44	19
45	20
46	0
47	0
48	24
49	26
50	0
51	0
52	30
53	31
54	0
55	0
56	37
57	40
58	0
59	0
60	46
61	48
62	0
63	0
64	57
65	60
66	0
67	0
68	69
69	72
70	0
71	0
72	84
73	89
74	0
75	0
76	102
77	106
78	0

n	a(n)
0	1
1	1
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	2
10	0
11	0
12	2
13	2
14	0
15	0
16	3
17	3
18	0
19	0
20	4
21	4
22	0
23	0
24	5
25	6
26	0
27	0
28	7
29	7
30	0
31	0
32	9
33	10
34	0
35	0
36	12
37	12
38	0
39	0
40	15
41	16
42	0
43	0
44	19
45	20
46	0
47	0
48	24
49	26
50	0
51	0
52	30
53	31
54	0
55	0
56	37
57	40
58	0
59	0
60	46
61	48
62	0
63	0
64	57
65	60
66	0
67	0
68	69
69	72
70	0
71	0
72	84
73	89
74	0
75	0
76	102
77	106
78	0