n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 15 |
3 | 175 |
4 | 2452 |
5 | 39703 |
6 | 741177 |
7 | 15771270 |
8 | 375485507 |
9 | 9837064575 |
10 | 280338965720 |
11 | 8623355105347 |
12 | 284589703065137 |
13 | 10022926411599482 |
14 | 374900187362983015 |
15 | 14830483377507515247 |
16 | 618219446355189917804 |
17 | 27071966121397255354079 |
18 | 1241912851303663452150377 |
[1,2,15,175,2452,39703,741177,15771270,375485507, 9837064575,280338965720,8623355105347, 284589703065137,10022926411599482, 374900187362983015,14830483377507515247, 618219446355189917804,27071966121397255354079, 1241912851303663452150377] |