n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 29 |
4 | 103 |
5 | 405 |
6 | 1757 |
7 | 8355 |
8 | 43229 |
9 | 241677 |
10 | 1451103 |
11 | 9309961 |
12 | 63550785 |
13 | 459867819 |
14 | 3516536269 |
15 | 28337741649 |
16 | 240056534347 |
17 | 2133028001257 |
18 | 19839848253937 |
19 | 192812840531511 |
20 | 1954556549898449 |
21 | 20634173429269633 |
[1,3,9,29,103,405,1757,8355,43229,241677,1451103, 9309961,63550785,459867819,3516536269,28337741649, 240056534347,2133028001257,19839848253937, 192812840531511,1954556549898449, 20634173429269633] |