A097074 - cp's OEIS frontend

A097074 Expansion of (1-x+2x^2)/((1-x)(1-x-2*x^2)).

n	a(n)
0	1
1	1
2	5
3	9
4	21
5	41
6	85
7	169
8	341
9	681
10	1365
11	2729
12	5461
13	10921
14	21845
15	43689
16	87381
17	174761
18	349525
19	699049
20	1398101
21	2796201
22	5592405
23	11184809
24	22369621
25	44739241
26	89478485
27	178956969
28	357913941
29	715827881
30	1431655765
31	2863311529

[1, 1, 5, 9, 21, 41, 85, 169, 341, 681, 1365, 2729, 5461, 10921, 21845, 43689, 87381, 174761, 349525, 699049, 1398101, 2796201, 5592405, 11184809, 22369621, 44739241, 89478485, 178956969, 357913941, 715827881, 1431655765, 2863311529]

cp's OEIS Frontend

A097074 Expansion of (1-x+2x^2)/((1-x)(1-x-2*x^2)).

Table of values

List of values

cp's OEIS Frontend

A097074 Expansion of (1-x+2*x^2)/((1-x)*(1-x-2*x^2)).

Table of values

List of values

A097074 Expansion of (1-x+2x^2)/((1-x)(1-x-2*x^2)).