A171663 - cp's OEIS frontend

A171663 Expansion of (1 + 4x - 6x^2 - 16x^3 + 20x^4)/((1-x)(1-2x)(1+2x)(1-2x^2)).

n	a(n)
0	1
1	5
2	5
3	13
4	25
5	41
6	113
7	145
8	481
9	545
10	1985
11	2113
12	8065
13	8321
14	32513
15	33025
16	130561
17	131585
18	523265
19	525313
20	2095105
21	2099201
22	8384513
23	8392705
24	33546241
25	33562625
26	134201345
27	134234113
28	536838145
29	536903681
30	2147418113
31	2147549185

[1, 5, 5, 13, 25, 41, 113, 145, 481, 545, 1985, 2113, 8065, 8321, 32513, 33025, 130561, 131585, 523265, 525313, 2095105, 2099201, 8384513, 8392705, 33546241, 33562625, 134201345, 134234113, 536838145, 536903681, 2147418113, 2147549185]

cp's OEIS Frontend

A171663 Expansion of (1 + 4x - 6x^2 - 16x^3 + 20x^4)/((1-x)(1-2x)(1+2x)(1-2x^2)).

Table of values

List of values

cp's OEIS Frontend

A171663 Expansion of (1 + 4*x - 6*x^2 - 16*x^3 + 20*x^4)/((1-x)*(1-2*x)*(1+2*x)*(1-2*x^2)).

Table of values

List of values

A171663 Expansion of (1 + 4x - 6x^2 - 16x^3 + 20x^4)/((1-x)(1-2x)(1+2x)(1-2x^2)).