n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 11 |
4 | 25 |
5 | 137 |
6 | 1019 |
7 | 2143 |
8 | 6709 |
9 | 76319 |
10 | 1019867 |
11 | 2084779 |
12 | 36161963 |
13 | 699329537 |
14 | 16317371911 |
15 | 82657705331 |
16 | 250947687593 |
17 | 7357796373397 |
18 | 230420777138107 |
19 | 465354165304139 |
20 | 17362507669146743 |
21 | 717205745892079663 |
[1,3,11,25,137,1019,2143,6709,76319,1019867, 2084779,36161963,699329537,16317371911, 82657705331,250947687593,7357796373397, 230420777138107,465354165304139,17362507669146743, 717205745892079663] |