n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 29 |
4 | 103 |
5 | 405 |
6 | 1753 |
7 | 8279 |
8 | 42293 |
9 | 231949 |
10 | 1357139 |
11 | 8427193 |
12 | 55288873 |
13 | 381798643 |
14 | 2765917089 |
15 | 20960284293 |
16 | 165729739607 |
17 | 1364153612317 |
18 | 11665484410113 |
19 | 103448316470743 |
20 | 949739632313501 |
21 | 9013431476894645 |
22 | 88304011710168691 |
[1,3,9,29,103,405,1753,8279,42293,231949,1357139, 8427193,55288873,381798643,2765917089,20960284293, 165729739607,1364153612317,11665484410113, 103448316470743,949739632313501,9013431476894645, 88304011710168691] |