n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 100 |
4 | 1225 |
5 | 15876 |
6 | 213444 |
7 | 2944656 |
8 | 41409225 |
9 | 590976100 |
10 | 8533694884 |
11 | 124408576656 |
12 | 1828114918084 |
13 | 27043120090000 |
14 | 402335398890000 |
15 | 6015361252737600 |
16 | 90324408810638025 |
17 | 1361429497505672100 |
18 | 20589520178326522500 |
19 | 312321918272897610000 |
[1,1,9,100,1225,15876,213444,2944656,41409225, 590976100,8533694884,124408576656,1828114918084, 27043120090000,402335398890000,6015361252737600, 90324408810638025,1361429497505672100, 20589520178326522500,312321918272897610000] |