n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 14 |
3 | 80 |
4 | 510 |
5 | 3498 |
6 | 25145 |
7 | 186972 |
8 | 1426159 |
9 | 11096944 |
10 | 87736474 |
11 | 702837098 |
12 | 5692337206 |
13 | 46533458472 |
14 | 383450469145 |
15 | 3181746494524 |
16 | 26562082580277 |
17 | 222941953595054 |
18 | 1880174585677589 |
19 | 15924467403391355 |
20 | 135396623401761765 |
21 | 1155230973031795808 |
22 | 9888061401816818319 |
[1,3,14,80,510,3498,25145,186972,1426159,11096944, 87736474,702837098,5692337206,46533458472, 383450469145,3181746494524,26562082580277, 222941953595054,1880174585677589, 15924467403391355,135396623401761765, 1155230973031795808,9888061401816818319] |