A099568 - cp's OEIS frontend

A099568 Expansion of (1-x)/((1-2x)(1-x-x^3)).

n	a(n)
0	1
1	2
2	4
3	9
4	19
5	39
6	80
7	163
8	330
9	666
10	1341
11	2695
12	5409
13	10846
14	21733
15	43526
16	87140
17	174409
18	349007
19	698291
20	1396988
21	2794571
22	5590014
23	11181306
24	22364485
25	44731715
26	89467453
27	178940802
28	357890245
29	715793154
30	1431604868
31	2863236937

[1, 2, 4, 9, 19, 39, 80, 163, 330, 666, 1341, 2695, 5409, 10846, 21733, 43526, 87140, 174409, 349007, 698291, 1396988, 2794571, 5590014, 11181306, 22364485, 44731715, 89467453, 178940802, 357890245, 715793154, 1431604868, 2863236937]

cp's OEIS Frontend

A099568 Expansion of (1-x)/((1-2x)(1-x-x^3)).

Table of values

List of values

cp's OEIS Frontend

A099568 Expansion of (1-x)/((1-2*x)*(1-x-x^3)).

Table of values

List of values

A099568 Expansion of (1-x)/((1-2x)(1-x-x^3)).