A228936 - cp's OEIS frontend

A228936 Expansion of (1 + 3x - 3x^3 - x^4)/(1 + 2*x^2 + x^4).

n	a(n)
0	1
1	3
2	-2
3	-9
4	2
5	15
6	-2
7	-21
8	2
9	27
10	-2
11	-33
12	2
13	39
14	-2
15	-45
16	2
17	51
18	-2
19	-57
20	2
21	63
22	-2
23	-69
24	2
25	75
26	-2
27	-81
28	2
29	87
30	-2
31	-93
32	2
33	99
34	-2
35	-105
36	2
37	111
38	-2
39	-117
40	2
41	123
42	-2
43	-129
44	2
45	135
46	-2
47	-141
48	2
49	147

[1, 3, -2, -9, 2, 15, -2, -21, 2, 27, -2, -33, 2, 39, -2, -45, 2, 51, -2, -57, 2, 63, -2, -69, 2, 75, -2, -81, 2, 87, -2, -93, 2, 99, -2, -105, 2, 111, -2, -117, 2, 123, -2, -129, 2, 135, -2, -141, 2, 147]

cp's OEIS Frontend

A228936 Expansion of (1 + 3x - 3x^3 - x^4)/(1 + 2*x^2 + x^4).

Table of values

List of values

cp's OEIS Frontend

A228936 Expansion of (1 + 3*x - 3*x^3 - x^4)/(1 + 2*x^2 + x^4).

Table of values

List of values

A228936 Expansion of (1 + 3x - 3x^3 - x^4)/(1 + 2*x^2 + x^4).