A084099 - cp's OEIS frontend

A084099 Expansion of (1+x)^2/(1+x^2).

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

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

cp's OEIS Frontend

A084099 Expansion of (1+x)^2/(1+x^2).

Table of values

List of values

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

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

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