A089814 - cp's OEIS frontend

A089814 Expansion of Product_{k>=1} (1 - q^(10k-5))^2.

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

[1, 0, 0, 0, 0, -2, 0, 0, 0, 0, 1, 0, 0, 0, 0, -2, 0, 0, 0, 0, 4, 0, 0, 0, 0, -4, 0, 0, 0, 0, 5, 0, 0, 0, 0, -6, 0, 0, 0, 0, 9, 0, 0, 0, 0, -12, 0, 0, 0, 0, 13, 0, 0, 0, 0, -16, 0, 0, 0, 0, 21, 0, 0, 0, 0, -26, 0, 0, 0, 0, 29, 0, 0, 0, 0, -36, 0, 0, 0, 0, 46, 0, 0, 0, 0, -54, 0, 0, 0, 0, 62, 0, 0, 0, 0, -74, 0]

cp's OEIS Frontend

A089814 Expansion of Product_{k>=1} (1 - q^(10k-5))^2.

Table of values

List of values

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

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

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