n | a(n) |
---|---|
1 | 5 |
2 | 9 |
3 | 53 |
4 | 137 |
5 | 853 |
6 | 2953 |
7 | 17333 |
8 | 71721 |
9 | 394325 |
10 | 1791209 |
11 | 9435253 |
12 | 44924617 |
13 | 230950613 |
14 | 1126125513 |
15 | 5713545653 |
16 | 28200027881 |
17 | 142082597845 |
18 | 705663892009 |
19 | 3542422689653 |
20 | 17650591452297 |
21 | 88436516562773 |
22 | 441384307595273 |
[5,9,53,137,853,2953,17333,71721,394325,1791209, 9435253,44924617,230950613,1126125513,5713545653, 28200027881,142082597845,705663892009, 3542422689653,17650591452297,88436516562773, 441384307595273] |