A202394 - cp's OEIS frontend

A202394 Expansion of f(-x)^3 + 9 * x * f(-x^9)^3 in powers of x where f() is a Ramanujan theta function.

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

[1, 6, 0, 5, 0, 0, -7, 0, 0, 0, -18, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 30, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 0, -19, 0, 0, 0, 0, 0, 0, 0, 0, 0, -42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 54, 0, 0, 0, 0]

cp's OEIS Frontend

A202394 Expansion of f(-x)^3 + 9 * x * f(-x^9)^3 in powers of x where f() is a Ramanujan theta function.

Table of values

List of values

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

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

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