n | a(n) |
---|---|
1 | 8 |
2 | 21 |
3 | 85 |
4 | 353 |
5 | 1465 |
6 | 6081 |
7 | 25241 |
8 | 104769 |
9 | 434873 |
10 | 1805057 |
11 | 7492377 |
12 | 31099137 |
13 | 129085369 |
14 | 535803713 |
15 | 2223998105 |
16 | 9231305153 |
17 | 38317026745 |
18 | 159045174401 |
19 | 660159977241 |
20 | 2740172389249 |
21 | 11373826014393 |
22 | 47210138571457 |
[8,21,85,353,1465,6081,25241,104769,434873, 1805057,7492377,31099137,129085369,535803713, 2223998105,9231305153,38317026745,159045174401, 660159977241,2740172389249,11373826014393, 47210138571457] |