A052723 - cp's OEIS frontend

A052723 Expansion of e.g.f. (1 - x - sqrt(1-2x+x^2-4x^3))/(2*x).

n	a(n)
0	0
1	0
2	2
3	6
4	24
5	240
6	2880
7	35280
8	524160
9	9434880
10	188697600
11	4151347200
12	101548339200
13	2727435110400
14	79332244992000
15	2488504322304000
16	83879464660992000
17	3021209014247424000
18	115754916599562240000

[0, 0, 2, 6, 24, 240, 2880, 35280, 524160, 9434880, 188697600, 4151347200, 101548339200, 2727435110400, 79332244992000, 2488504322304000, 83879464660992000, 3021209014247424000, 115754916599562240000]

cp's OEIS Frontend

A052723 Expansion of e.g.f. (1 - x - sqrt(1-2x+x^2-4x^3))/(2*x).

Table of values

List of values

cp's OEIS Frontend

A052723 Expansion of e.g.f. (1 - x - sqrt(1-2*x+x^2-4*x^3))/(2*x).

Table of values

List of values

A052723 Expansion of e.g.f. (1 - x - sqrt(1-2x+x^2-4x^3))/(2*x).