A003475 - cp's OEIS frontend

A003475 Expansion of Sum_{k>0} (-1)^(k+1) q^(k^2) / ((1-q)(1-q^3)(1-q^5)...(1-q^(2k-1))).

n	a(n)
1	1
2	1
3	1
4	0
5	0
6	0
7	-1
8	-1
9	0
10	-1
11	-1
12	0
13	-1
14	0
15	1
16	-1
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	1
26	0
27	1
28	0
29	0
30	1
31	-1
32	0
33	0
34	0
35	1
36	-1
37	-1
38	-1
39	0
40	0
41	-1
42	0
43	-1
44	0
45	0
46	-1
47	-1
48	-1
49	1
50	0
51	-1
52	0
53	0
54	0
55	1
56	0
57	-1
58	0
59	0
60	1
61	0
62	1
63	1
64	0
65	1
66	-1
67	1
68	0
69	0
70	2
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	0
85	1
86	-1
87	-1
88	1
89	0
90	0
91	0
92	-1
93	-2
94	0
95	0
96	-1
97	0
98	1
99	0
100	-1
101	-1
102	-1
103	0
104	0
105	0

[1, 1, 1, 0, 0, 0, -1, -1, 0, -1, -1, 0, -1, 0, 1, -1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, -1, 0, 0, 0, 1, -1, -1, -1, 0, 0, -1, 0, -1, 0, 0, -1, -1, -1, 1, 0, -1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, 1, 1, 0, 1, -1, 1, 0, 0, 2, 0, 0, 0, 1, 0, 1, 1, -1, 0, 0, 0, 0, 0, 0, 1, -1, -1, 1, 0, 0, 0, -1, -2, 0, 0, -1, 0, 1, 0, -1, -1, -1, 0, 0, 0]

cp's OEIS Frontend

A003475 Expansion of Sum_{k>0} (-1)^(k+1) q^(k^2) / ((1-q)(1-q^3)(1-q^5)...(1-q^(2k-1))).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	0
5	0
6	0
7	-1
8	-1
9	0
10	-1
11	-1
12	0
13	-1
14	0
15	1
16	-1
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	1
26	0
27	1
28	0
29	0
30	1
31	-1
32	0
33	0
34	0
35	1
36	-1
37	-1
38	-1
39	0
40	0
41	-1
42	0
43	-1
44	0
45	0
46	-1
47	-1
48	-1
49	1
50	0
51	-1
52	0
53	0
54	0
55	1
56	0
57	-1
58	0
59	0
60	1
61	0
62	1
63	1
64	0
65	1
66	-1
67	1
68	0
69	0
70	2
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	0
85	1
86	-1
87	-1
88	1
89	0
90	0
91	0
92	-1
93	-2
94	0
95	0
96	-1
97	0
98	1
99	0
100	-1
101	-1
102	-1
103	0
104	0
105	0

n	a(n)
1	1
2	1
3	1
4	0
5	0
6	0
7	-1
8	-1
9	0
10	-1
11	-1
12	0
13	-1
14	0
15	1
16	-1
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	1
26	0
27	1
28	0
29	0
30	1
31	-1
32	0
33	0
34	0
35	1
36	-1
37	-1
38	-1
39	0
40	0
41	-1
42	0
43	-1
44	0
45	0
46	-1
47	-1
48	-1
49	1
50	0
51	-1
52	0
53	0
54	0
55	1
56	0
57	-1
58	0
59	0
60	1
61	0
62	1
63	1
64	0
65	1
66	-1
67	1
68	0
69	0
70	2
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	0
85	1
86	-1
87	-1
88	1
89	0
90	0
91	0
92	-1
93	-2
94	0
95	0
96	-1
97	0
98	1
99	0
100	-1
101	-1
102	-1
103	0
104	0
105	0

n	a(n)
1	1
2	1
3	1
4	0
5	0
6	0
7	-1
8	-1
9	0
10	-1
11	-1
12	0
13	-1
14	0
15	1
16	-1
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	1
26	0
27	1
28	0
29	0
30	1
31	-1
32	0
33	0
34	0
35	1
36	-1
37	-1
38	-1
39	0
40	0
41	-1
42	0
43	-1
44	0
45	0
46	-1
47	-1
48	-1
49	1
50	0
51	-1
52	0
53	0
54	0
55	1
56	0
57	-1
58	0
59	0
60	1
61	0
62	1
63	1
64	0
65	1
66	-1
67	1
68	0
69	0
70	2
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	0
85	1
86	-1
87	-1
88	1
89	0
90	0
91	0
92	-1
93	-2
94	0
95	0
96	-1
97	0
98	1
99	0
100	-1
101	-1
102	-1
103	0
104	0
105	0