A052721 - cp's OEIS frontend

A052721 Expansion of e.g.f. x(1-2x)(1 - 2x - sqrt(1-4*x))/2 - x^3.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	120
6	2880
7	70560
8	1935360
9	59875200
10	2075673600
11	79913433600
12	3387499315200
13	156883562035200
14	7884404656128000
15	427447366714368000
16	24869664972472320000
17	1545805113445232640000
18	102232975285590589440000

[0, 0, 0, 0, 0, 120, 2880, 70560, 1935360, 59875200, 2075673600, 79913433600, 3387499315200, 156883562035200, 7884404656128000, 427447366714368000, 24869664972472320000, 1545805113445232640000, 102232975285590589440000]

cp's OEIS Frontend

A052721 Expansion of e.g.f. x(1-2x)(1 - 2x - sqrt(1-4*x))/2 - x^3.

Table of values

List of values

cp's OEIS Frontend

A052721 Expansion of e.g.f. x*(1-2*x)*(1 - 2*x - sqrt(1-4*x))/2 - x^3.

Table of values

List of values

A052721 Expansion of e.g.f. x(1-2x)(1 - 2x - sqrt(1-4*x))/2 - x^3.