n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 41 |
4 | 331 |
5 | 3176 |
6 | 35451 |
7 | 447981 |
8 | 6282416 |
9 | 96546231 |
10 | 1611270851 |
11 | 28985293526 |
12 | 558413253581 |
13 | 11458179765541 |
14 | 249255304141006 |
15 | 5725640423174901 |
16 | 138407987170952351 |
17 | 3510263847256823056 |
[1,1,6,41,331,3176,35451,447981,6282416,96546231, 1611270851,28985293526,558413253581, 11458179765541,249255304141006,5725640423174901, 138407987170952351,3510263847256823056] |