A052957 - cp's OEIS frontend

A052957 Expansion of 2(1-x-x^2)/((1-2x)(1-2x^2)).

n	a(n)
0	2
1	2
2	6
3	8
4	20
5	32
6	72
7	128
8	272
9	512
10	1056
11	2048
12	4160
13	8192
14	16512
15	32768
16	65792
17	131072
18	262656
19	524288
20	1049600
21	2097152
22	4196352
23	8388608
24	16781312
25	33554432
26	67117056
27	134217728
28	268451840
29	536870912
30	1073774592
31	2147483648

[2, 2, 6, 8, 20, 32, 72, 128, 272, 512, 1056, 2048, 4160, 8192, 16512, 32768, 65792, 131072, 262656, 524288, 1049600, 2097152, 4196352, 8388608, 16781312, 33554432, 67117056, 134217728, 268451840, 536870912, 1073774592, 2147483648]

cp's OEIS Frontend

A052957 Expansion of 2(1-x-x^2)/((1-2x)(1-2x^2)).

Table of values

List of values

cp's OEIS Frontend

A052957 Expansion of 2*(1-x-x^2)/((1-2*x)*(1-2*x^2)).

Table of values

List of values

A052957 Expansion of 2(1-x-x^2)/((1-2x)(1-2x^2)).