A138950 - cp's OEIS frontend

A138950 Expansion of (2 - 3 * phi(q^3)^2 + phi(q)^2) / 4 in powers of q where phi() is a Ramanujan theta function.

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

[1, 1, -3, 1, 2, -3, 0, 1, 1, 2, 0, -3, 2, 0, -6, 1, 2, 1, 0, 2, 0, 0, 0, -3, 3, 2, -3, 0, 2, -6, 0, 1, 0, 2, 0, 1, 2, 0, -6, 2, 2, 0, 0, 0, 2, 0, 0, -3, 1, 3, -6, 2, 2, -3, 0, 0, 0, 2, 0, -6, 2, 0, 0, 1, 4, 0, 0, 2, 0, 0, 0, 1, 2, 2, -9, 0, 0, -6, 0, 2, 1, 2]

cp's OEIS Frontend

A138950 Expansion of (2 - 3 * phi(q^3)^2 + phi(q)^2) / 4 in powers of q where phi() is a Ramanujan theta function.

Table of values

List of values

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

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

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