n | a(n) |
---|---|
1 | 4 |
2 | 11 |
3 | 47 |
4 | 195 |
5 | 898 |
6 | 4353 |
7 | 22189 |
8 | 112015 |
9 | 542397 |
10 | 2658643 |
11 | 13811570 |
12 | 74759723 |
13 | 402860778 |
14 | 2116039998 |
15 | 11034558825 |
16 | 58963729401 |
17 | 324783927568 |
18 | 1798939119729 |
19 | 9744887456018 |
20 | 51258432916302 |
21 | 268071351841619 |
22 | 1461410535224478 |
[4,11,47,195,898,4353,22189,112015,542397,2658643, 13811570,74759723,402860778,2116039998, 11034558825,58963729401,324783927568, 1798939119729,9744887456018,51258432916302, 268071351841619,1461410535224478] |