n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 13 |
4 | 31 |
5 | 73 |
6 | 173 |
7 | 409 |
8 | 967 |
9 | 3450844193 |
10 | 39661481813 |
11 | 2076849234433 |
12 | 52134281654579 |
13 | 14838980942616539 |
14 | 260230524377962793 |
15 | 4563650703502319197 |
16 | 80032531899785490253 |
17 | 172111744128569095516889 |
[2,5,13,31,73,173,409,967,3450844193,39661481813, 2076849234433,52134281654579,14838980942616539, 260230524377962793,4563650703502319197, 80032531899785490253,172111744128569095516889] |