n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 54 |
4 | 378 |
5 | 2916 |
6 | 24057 |
7 | 208494 |
8 | 1876446 |
9 | 17399772 |
10 | 165297834 |
11 | 1602117468 |
12 | 15792300756 |
13 | 157923007560 |
14 | 1598970451545 |
15 | 16365932856990 |
16 | 169114639522230 |
17 | 1762352559231660 |
18 | 18504701871932430 |
19 | 195621134074714260 |
20 | 2080697516976506220 |
21 | 22254416920705240440 |
22 | 239234981897581334730 |
23 | 2583737804493878415084 |
[1,2,9,54,378,2916,24057,208494,1876446,17399772, 165297834,1602117468,15792300756,157923007560, 1598970451545,16365932856990,169114639522230, 1762352559231660,18504701871932430, 195621134074714260,2080697516976506220, 22254416920705240440,239234981897581334730, 2583737804493878415084] |