A209457 - cp's OEIS frontend

A209457 Expansion of x^7Product_{i>=0} ((1 + x^(2i - 1))(1 - x^(4i - 5))).

n	a(n)
0	1
1	1
2	-1
3	-1
4	0
5	0
6	-1
7	-1
8	1
9	2
10	0
11	-2
12	0
13	2
14	0
15	-3
16	0
17	4
18	1
19	-4
20	-2
21	4
22	2
23	-5
24	-3
25	6
26	5
27	-5
28	-6
29	5
30	6
31	-7
32	-8
33	7
34	11
35	-5
36	-12
37	5
38	13
39	-6
40	-16
41	5
42	19
43	-3
44	-21
45	2
46	23
47	-2
48	-26
49	0
50	30
51	4
52	-32
53	-6
54	34
55	7
56	-39
57	-12
58	43
59	18

[1, 1, -1, -1, 0, 0, -1, -1, 1, 2, 0, -2, 0, 2, 0, -3, 0, 4, 1, -4, -2, 4, 2, -5, -3, 6, 5, -5, -6, 5, 6, -7, -8, 7, 11, -5, -12, 5, 13, -6, -16, 5, 19, -3, -21, 2, 23, -2, -26, 0, 30, 4, -32, -6, 34, 7, -39, -12, 43, 18]

cp's OEIS Frontend

A209457 Expansion of x^7Product_{i>=0} ((1 + x^(2i - 1))(1 - x^(4i - 5))).

Table of values

List of values

n	a(n)
0	1
1	1
2	-1
3	-1
4	0
5	0
6	-1
7	-1
8	1
9	2
10	0
11	-2
12	0
13	2
14	0
15	-3
16	0
17	4
18	1
19	-4
20	-2
21	4
22	2
23	-5
24	-3
25	6
26	5
27	-5
28	-6
29	5
30	6
31	-7
32	-8
33	7
34	11
35	-5
36	-12
37	5
38	13
39	-6
40	-16
41	5
42	19
43	-3
44	-21
45	2
46	23
47	-2
48	-26
49	0
50	30
51	4
52	-32
53	-6
54	34
55	7
56	-39
57	-12
58	43
59	18

n	a(n)
0	1
1	1
2	-1
3	-1
4	0
5	0
6	-1
7	-1
8	1
9	2
10	0
11	-2
12	0
13	2
14	0
15	-3
16	0
17	4
18	1
19	-4
20	-2
21	4
22	2
23	-5
24	-3
25	6
26	5
27	-5
28	-6
29	5
30	6
31	-7
32	-8
33	7
34	11
35	-5
36	-12
37	5
38	13
39	-6
40	-16
41	5
42	19
43	-3
44	-21
45	2
46	23
47	-2
48	-26
49	0
50	30
51	4
52	-32
53	-6
54	34
55	7
56	-39
57	-12
58	43
59	18

cp's OEIS Frontend

A209457 Expansion of x^7*Product_{i>=0} ((1 + x^(2*i - 1))*(1 - x^(4*i - 5))).

Table of values

List of values

A209457 Expansion of x^7Product_{i>=0} ((1 + x^(2i - 1))(1 - x^(4i - 5))).

n	a(n)
0	1
1	1
2	-1
3	-1
4	0
5	0
6	-1
7	-1
8	1
9	2
10	0
11	-2
12	0
13	2
14	0
15	-3
16	0
17	4
18	1
19	-4
20	-2
21	4
22	2
23	-5
24	-3
25	6
26	5
27	-5
28	-6
29	5
30	6
31	-7
32	-8
33	7
34	11
35	-5
36	-12
37	5
38	13
39	-6
40	-16
41	5
42	19
43	-3
44	-21
45	2
46	23
47	-2
48	-26
49	0
50	30
51	4
52	-32
53	-6
54	34
55	7
56	-39
57	-12
58	43
59	18