A309044 - cp's OEIS frontend

A309044 Expansion of Product_{k>=0} (1 + x^(2^k) - x^(2^(k+1)))^2.

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

[1, 2, 1, 2, 0, -2, 3, 2, -1, -4, 0, -4, 5, 10, -3, -2, 0, -6, -1, -6, 3, 8, -8, -8, 9, 18, 1, 10, -8, -26, 11, 2, -1, 4, -8, -12, 5, 10, -11, -10, 8, 18, -1, 10, -13, -32, 8, 0, 9, 34, 1, 18, -8, -34, 27, 18, -17, -36, -8, -36, 29, 74, -35, -18, 8, -6, 7, 10, -13, -24]

cp's OEIS Frontend

A309044 Expansion of Product_{k>=0} (1 + x^(2^k) - x^(2^(k+1)))^2.

Table of values

List of values

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

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

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