A052572 - cp's OEIS frontend

A052572 Expansion of e.g.f.: (1+2x-2x^2)/(1-x)^2.

n	a(n)
0	1
1	4
2	10
3	36
4	168
5	960
6	6480
7	50400
8	443520
9	4354560
10	47174400
11	558835200
12	7185024000
13	99632332800
14	1482030950400
15	23538138624000
16	397533007872000
17	7113748561920000
18	134449847820288000
19	2676192208994304000

[1, 4, 10, 36, 168, 960, 6480, 50400, 443520, 4354560, 47174400, 558835200, 7185024000, 99632332800, 1482030950400, 23538138624000, 397533007872000, 7113748561920000, 134449847820288000, 2676192208994304000]

cp's OEIS Frontend

A052572 Expansion of e.g.f.: (1+2x-2x^2)/(1-x)^2.

Table of values

List of values

cp's OEIS Frontend

A052572 Expansion of e.g.f.: (1+2*x-2*x^2)/(1-x)^2.

Table of values

List of values

A052572 Expansion of e.g.f.: (1+2x-2x^2)/(1-x)^2.