n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 15 |
4 | 84 |
5 | 715 |
6 | 7973 |
7 | 107800 |
8 | 1703453 |
9 | 30771149 |
10 | 625350597 |
11 | 14120901982 |
12 | 350747144465 |
13 | 9504174989803 |
14 | 278995251177113 |
15 | 8819904482341820 |
16 | 298740549795954189 |
17 | 10793273784602715481 |
18 | 414325010484102619421 |
[1,2,5,15,84,715,7973,107800,1703453,30771149, 625350597,14120901982,350747144465,9504174989803, 278995251177113,8819904482341820, 298740549795954189,10793273784602715481, 414325010484102619421] |