A052743 - cp's OEIS frontend

A052743 E.g.f. ( 1-x-sqrt(1-2x+x^2-4x^3) )/(2*x^2).

n	a(n)
0	0
1	1
2	2
3	6
4	48
5	480
6	5040
7	65520
8	1048320
9	18869760
10	377395200
11	8462361600
12	209802700800
13	5666588928000
14	165900288153600
15	5242466541312000
16	177718177308672000
17	6430828699975680000
18	247490157968621568000

[0, 1, 2, 6, 48, 480, 5040, 65520, 1048320, 18869760, 377395200, 8462361600, 209802700800, 5666588928000, 165900288153600, 5242466541312000, 177718177308672000, 6430828699975680000, 247490157968621568000]

cp's OEIS Frontend

A052743 E.g.f. ( 1-x-sqrt(1-2x+x^2-4x^3) )/(2*x^2).

Table of values

List of values

cp's OEIS Frontend

A052743 E.g.f. ( 1-x-sqrt(1-2*x+x^2-4*x^3) )/(2*x^2).

Table of values

List of values

A052743 E.g.f. ( 1-x-sqrt(1-2x+x^2-4x^3) )/(2*x^2).