n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 50 |
4 | 361 |
5 | 3042 |
6 | 29929 |
7 | 331298 |
8 | 4100625 |
9 | 55777922 |
10 | 828691369 |
11 | 13316140818 |
12 | 230256982201 |
13 | 4257449540450 |
14 | 83834039024649 |
15 | 1750225301567618 |
16 | 38614608429012001 |
17 | 897325298084953602 |
18 | 21904718673762721225 |
19 | 560258287738117292018 |
20 | 14981472258320814527241 |
[1,2,9,50,361,3042,29929,331298,4100625,55777922, 828691369,13316140818,230256982201,4257449540450, 83834039024649,1750225301567618,38614608429012001, 897325298084953602,21904718673762721225, 560258287738117292018,14981472258320814527241] |