n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 14 |
4 | 112 |
5 | 872 |
6 | 14372 |
7 | 154480 |
8 | 3098480 |
9 | 59710816 |
10 | 1688186176 |
11 | 27925409152 |
12 | 1327833590272 |
13 | 25675495200768 |
14 | 1017195720916224 |
15 | 47444016840290304 |
16 | 2267031138313024512 |
17 | 56480432945454004224 |
18 | 4051971981329937580032 |
[1,3,14,112,872,14372,154480,3098480,59710816, 1688186176,27925409152,1327833590272, 25675495200768,1017195720916224,47444016840290304, 2267031138313024512,56480432945454004224, 4051971981329937580032] |