n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 84 |
4 | 543 |
5 | 3748 |
6 | 29677 |
7 | 237999 |
8 | 1882149 |
9 | 14936068 |
10 | 119307906 |
11 | 954802767 |
12 | 7642229473 |
13 | 61191946032 |
14 | 490168235993 |
15 | 3927147409735 |
16 | 31465890290038 |
17 | 252129334037581 |
18 | 2020326252175096 |
19 | 16189287109355756 |
20 | 129729279431146577 |
[1,9,84,543,3748,29677,237999,1882149,14936068, 119307906,954802767,7642229473,61191946032, 490168235993,3927147409735,31465890290038, 252129334037581,2020326252175096, 16189287109355756,129729279431146577] |