n | a(n) |
---|---|
0 | 70 |
1 | 21 |
2 | 30 |
3 | 70 |
4 | 210 |
5 | 735 |
6 | 2856 |
7 | 11970 |
8 | 53130 |
9 | 246675 |
10 | 1187550 |
11 | 5890248 |
12 | 29954680 |
13 | 155602020 |
14 | 823184880 |
15 | 4424618730 |
16 | 24116031162 |
17 | 133072694475 |
18 | 742405558650 |
19 | 4182821562150 |
20 | 23776769743650 |
21 | 136248095712855 |
22 | 786482994679200 |
[70,21,30,70,210,735,2856,11970,53130,246675, 1187550,5890248,29954680,155602020,823184880, 4424618730,24116031162,133072694475,742405558650, 4182821562150,23776769743650,136248095712855, 786482994679200] |