A296954 - cp's OEIS frontend

A296954 Expansion of x(1 - x + 4x^2) / ((1 - x)(1 - 2x)).

n	a(n)
0	0
1	1
2	2
3	8
4	20
5	44
6	92
7	188
8	380
9	764
10	1532
11	3068
12	6140
13	12284
14	24572
15	49148
16	98300
17	196604
18	393212
19	786428
20	1572860
21	3145724
22	6291452
23	12582908
24	25165820
25	50331644
26	100663292
27	201326588
28	402653180
29	805306364
30	1610612732
31	3221225468
32	6442450940
33	12884901884

[0, 1, 2, 8, 20, 44, 92, 188, 380, 764, 1532, 3068, 6140, 12284, 24572, 49148, 98300, 196604, 393212, 786428, 1572860, 3145724, 6291452, 12582908, 25165820, 50331644, 100663292, 201326588, 402653180, 805306364, 1610612732, 3221225468, 6442450940, 12884901884]

cp's OEIS Frontend

A296954 Expansion of x(1 - x + 4x^2) / ((1 - x)(1 - 2x)).

Table of values

List of values

cp's OEIS Frontend

A296954 Expansion of x*(1 - x + 4*x^2) / ((1 - x)*(1 - 2*x)).

Table of values

List of values

A296954 Expansion of x(1 - x + 4x^2) / ((1 - x)(1 - 2x)).