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] |