A361037 - cp's OEIS frontend

A361037 a(n) = 20(3n)!/((2n)!(n+2)!).

n	a(n)
0	10
1	10
2	25
3	84
4	330
5	1430
6	6630
7	32300
8	163438
9	852150
10	4552275
11	24812400
12	137547000
13	773564328
14	4405019090
15	25357898940
16	147375745990
17	863805209750
18	5101386767295
19	30332569967700
20	181465130121450
21	1091677288630950

[10, 10, 25, 84, 330, 1430, 6630, 32300, 163438, 852150, 4552275, 24812400, 137547000, 773564328, 4405019090, 25357898940, 147375745990, 863805209750, 5101386767295, 30332569967700, 181465130121450, 1091677288630950]

cp's OEIS Frontend

A361037 a(n) = 20(3n)!/((2n)!(n+2)!).

Table of values

List of values

cp's OEIS Frontend

A361037 a(n) = 20*(3*n)!/((2*n)!*(n+2)!).

Table of values

List of values

A361037 a(n) = 20(3n)!/((2n)!(n+2)!).