A248157 - cp's OEIS frontend

A248157 Expansion of (1 - 2*x^2)/(1 + x)^2.

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

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

cp's OEIS Frontend

A248157 Expansion of (1 - 2*x^2)/(1 + x)^2.

Table of values

List of values

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

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

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