A361029 - cp's OEIS frontend

A361029 a(n) = 120(3n)!/(n!*(n+2)!^2).

n	a(n)
0	30
1	20
2	75
3	504
4	4620
5	51480
6	656370
7	9237800
8	140229804
9	2259901800
10	38230005450
11	673210036800
12	12262039956000
13	229872375708480
14	4417859720647350
15	86767376381987400
16	1736954330906081100
17	35364582637561485000
18	730985923118395894950
19	15315895532004485418000

[30, 20, 75, 504, 4620, 51480, 656370, 9237800, 140229804, 2259901800, 38230005450, 673210036800, 12262039956000, 229872375708480, 4417859720647350, 86767376381987400, 1736954330906081100, 35364582637561485000, 730985923118395894950, 15315895532004485418000]

cp's OEIS Frontend

A361029 a(n) = 120(3n)!/(n!*(n+2)!^2).

Table of values

List of values

cp's OEIS Frontend

A361029 a(n) = 120*(3*n)!/(n!*(n+2)!^2).

Table of values

List of values

A361029 a(n) = 120(3n)!/(n!*(n+2)!^2).