A052911 - cp's OEIS frontend

A052911 Expansion of (1-x)/(1 - 3x - x^2 + 2x^3).

n	a(n)
0	1
1	2
2	7
3	21
4	66
5	205
6	639
7	1990
8	6199
9	19309
10	60146
11	187349
12	583575
13	1817782
14	5662223
15	17637301
16	54938562
17	171128541
18	533049583
19	1660400166
20	5171992999
21	16110279997
22	50182032658
23	156312391973
24	486898648583
25	1516644272406

[1, 2, 7, 21, 66, 205, 639, 1990, 6199, 19309, 60146, 187349, 583575, 1817782, 5662223, 17637301, 54938562, 171128541, 533049583, 1660400166, 5171992999, 16110279997, 50182032658, 156312391973, 486898648583, 1516644272406]

cp's OEIS Frontend

A052911 Expansion of (1-x)/(1 - 3x - x^2 + 2x^3).

Table of values

List of values

cp's OEIS Frontend

A052911 Expansion of (1-x)/(1 - 3*x - x^2 + 2*x^3).

Table of values

List of values

A052911 Expansion of (1-x)/(1 - 3x - x^2 + 2x^3).