A361038 - cp's OEIS frontend

A361038 a(n) = 1680 * (3n)!/((2n)!*(n+3)!).

n	a(n)
0	280
1	210
2	420
3	1176
4	3960
5	15015
6	61880
7	271320
8	1248072
9	5965050
10	29414700
11	148874400
12	770263200
13	4061212722
14	21765976680
15	118336861720
16	651555929640
17	3627981880950
18	20405547069180
19	115815267149400
20	662742214356600

[280, 210, 420, 1176, 3960, 15015, 61880, 271320, 1248072, 5965050, 29414700, 148874400, 770263200, 4061212722, 21765976680, 118336861720, 651555929640, 3627981880950, 20405547069180, 115815267149400, 662742214356600]

cp's OEIS Frontend

A361038 a(n) = 1680 * (3n)!/((2n)!*(n+3)!).

Table of values

List of values

cp's OEIS Frontend

A361038 a(n) = 1680 * (3*n)!/((2*n)!*(n+3)!).

Table of values

List of values

A361038 a(n) = 1680 * (3n)!/((2n)!*(n+3)!).