A052584 - cp's OEIS frontend

A052584 Expansion of e.g.f. (2 - 4x + x^2)/((1 - x)(1 - 2*x)).

n	a(n)
0	2
1	2
2	6
3	30
4	216
5	2040
6	23760
7	327600
8	5201280
9	93260160
10	1861574400
11	40914720000
12	981474278400
13	25512104217600
14	714251739801600
15	21426244519680000
16	685618901839872000
17	23310686975127552000
18	839178328730886144000
19	31888654846673264640000
20	1275543760964922408960000

[2, 2, 6, 30, 216, 2040, 23760, 327600, 5201280, 93260160, 1861574400, 40914720000, 981474278400, 25512104217600, 714251739801600, 21426244519680000, 685618901839872000, 23310686975127552000, 839178328730886144000, 31888654846673264640000, 1275543760964922408960000]

cp's OEIS Frontend

A052584 Expansion of e.g.f. (2 - 4x + x^2)/((1 - x)(1 - 2*x)).

Table of values

List of values

cp's OEIS Frontend

A052584 Expansion of e.g.f. (2 - 4*x + x^2)/((1 - x)*(1 - 2*x)).

Table of values

List of values

A052584 Expansion of e.g.f. (2 - 4x + x^2)/((1 - x)(1 - 2*x)).