A027656 - cp's OEIS frontend

A027656 Expansion of 1/(1-x^2)^2 (included only for completeness - the policy is always to omit the zeros from such sequences).

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

[1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0, 20, 0, 21, 0, 22, 0, 23, 0, 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0, 30, 0, 31, 0, 32, 0, 33, 0, 34, 0, 35, 0, 36, 0, 37, 0, 38, 0, 39, 0, 40, 0, 41, 0, 42, 0, 43, 0]

cp's OEIS Frontend

A027656 Expansion of 1/(1-x^2)^2 (included only for completeness - the policy is always to omit the zeros from such sequences).

Table of values

List of values

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

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

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