n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 13 |
4 | 65 |
5 | 354 |
6 | 2035 |
7 | 12151 |
8 | 74618 |
9 | 468233 |
10 | 2989093 |
11 | 19350384 |
12 | 126730636 |
13 | 838161358 |
14 | 5589998777 |
15 | 37552863737 |
16 | 253877488505 |
17 | 1725951649616 |
18 | 11791929640102 |
19 | 80921655496164 |
20 | 557538161292336 |
21 | 3855215134210479 |
22 | 26745074320086283 |
23 | 186095529221819237 |
24 | 1298423607303399905 |
[1,3,13,65,354,2035,12151,74618,468233,2989093, 19350384,126730636,838161358,5589998777, 37552863737,253877488505,1725951649616, 11791929640102,80921655496164,557538161292336, 3855215134210479,26745074320086283, 186095529221819237,1298423607303399905] |