A083650 - cp's OEIS frontend

A083650 Expansion of f(-x, x^3) * phi(x^2) in powers of x where phi(), f() are Ramanujan theta functions.

n	a(n)
0	1
1	-1
2	2
3	-1
4	0
5	2
6	-1
7	0
8	0
9	-2
10	-1
11	2
12	-2
13	0
14	-2
15	1
16	0
17	2
18	0
19	-2
20	0
21	1
22	0
23	0
24	-2
25	0
26	0
27	0
28	-1
29	-2
30	2
31	0
32	2
33	0
34	0
35	2
36	3
37	0
38	0
39	-2
40	0
41	0
42	-2
43	0
44	2
45	-1
46	2
47	0
48	0
49	0
50	2
51	-2
52	0
53	-2
54	2
55	1
56	-2
57	2
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	-1
67	0
68	0
69	0
70	0
71	-2
72	2
73	0
74	-2
75	2
76	0
77	-2
78	-1
79	0
80	-2
81	0
82	-2
83	0
84	-2
85	0
86	0
87	4
88	0
89	0
90	0
91	1
92	0
93	0
94	0
95	-2
96	-2
97	0
98	0
99	0
100	2
101	2
102	0
103	0
104	-2

[1, -1, 2, -1, 0, 2, -1, 0, 0, -2, -1, 2, -2, 0, -2, 1, 0, 2, 0, -2, 0, 1, 0, 0, -2, 0, 0, 0, -1, -2, 2, 0, 2, 0, 0, 2, 3, 0, 0, -2, 0, 0, -2, 0, 2, -1, 2, 0, 0, 0, 2, -2, 0, -2, 2, 1, -2, 2, 0, 0, 0, 0, 0, 0, 0, 2, -1, 0, 0, 0, 0, -2, 2, 0, -2, 2, 0, -2, -1, 0, -2, 0, -2, 0, -2, 0, 0, 4, 0, 0, 0, 1, 0, 0, 0, -2, -2, 0, 0, 0, 2, 2, 0, 0, -2]

cp's OEIS Frontend

A083650 Expansion of f(-x, x^3) * phi(x^2) in powers of x where phi(), f() are Ramanujan theta functions.

Table of values

List of values

n	a(n)
0	1
1	-1
2	2
3	-1
4	0
5	2
6	-1
7	0
8	0
9	-2
10	-1
11	2
12	-2
13	0
14	-2
15	1
16	0
17	2
18	0
19	-2
20	0
21	1
22	0
23	0
24	-2
25	0
26	0
27	0
28	-1
29	-2
30	2
31	0
32	2
33	0
34	0
35	2
36	3
37	0
38	0
39	-2
40	0
41	0
42	-2
43	0
44	2
45	-1
46	2
47	0
48	0
49	0
50	2
51	-2
52	0
53	-2
54	2
55	1
56	-2
57	2
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	-1
67	0
68	0
69	0
70	0
71	-2
72	2
73	0
74	-2
75	2
76	0
77	-2
78	-1
79	0
80	-2
81	0
82	-2
83	0
84	-2
85	0
86	0
87	4
88	0
89	0
90	0
91	1
92	0
93	0
94	0
95	-2
96	-2
97	0
98	0
99	0
100	2
101	2
102	0
103	0
104	-2

n	a(n)
0	1
1	-1
2	2
3	-1
4	0
5	2
6	-1
7	0
8	0
9	-2
10	-1
11	2
12	-2
13	0
14	-2
15	1
16	0
17	2
18	0
19	-2
20	0
21	1
22	0
23	0
24	-2
25	0
26	0
27	0
28	-1
29	-2
30	2
31	0
32	2
33	0
34	0
35	2
36	3
37	0
38	0
39	-2
40	0
41	0
42	-2
43	0
44	2
45	-1
46	2
47	0
48	0
49	0
50	2
51	-2
52	0
53	-2
54	2
55	1
56	-2
57	2
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	-1
67	0
68	0
69	0
70	0
71	-2
72	2
73	0
74	-2
75	2
76	0
77	-2
78	-1
79	0
80	-2
81	0
82	-2
83	0
84	-2
85	0
86	0
87	4
88	0
89	0
90	0
91	1
92	0
93	0
94	0
95	-2
96	-2
97	0
98	0
99	0
100	2
101	2
102	0
103	0
104	-2

n	a(n)
0	1
1	-1
2	2
3	-1
4	0
5	2
6	-1
7	0
8	0
9	-2
10	-1
11	2
12	-2
13	0
14	-2
15	1
16	0
17	2
18	0
19	-2
20	0
21	1
22	0
23	0
24	-2
25	0
26	0
27	0
28	-1
29	-2
30	2
31	0
32	2
33	0
34	0
35	2
36	3
37	0
38	0
39	-2
40	0
41	0
42	-2
43	0
44	2
45	-1
46	2
47	0
48	0
49	0
50	2
51	-2
52	0
53	-2
54	2
55	1
56	-2
57	2
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	-1
67	0
68	0
69	0
70	0
71	-2
72	2
73	0
74	-2
75	2
76	0
77	-2
78	-1
79	0
80	-2
81	0
82	-2
83	0
84	-2
85	0
86	0
87	4
88	0
89	0
90	0
91	1
92	0
93	0
94	0
95	-2
96	-2
97	0
98	0
99	0
100	2
101	2
102	0
103	0
104	-2