n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 29 |
5 | 133 |
6 | 762 |
7 | 5215 |
8 | 41257 |
9 | 369032 |
10 | 3676209 |
11 | 40333241 |
12 | 483094250 |
13 | 6271446691 |
14 | 87705811341 |
15 | 1314473334832 |
16 | 21017294666173 |
17 | 357096406209005 |
18 | 6424799978507178 |
19 | 122024623087820183 |
20 | 2439706330834135361 |
21 | 51219771117454755544 |
[1,1,3,8,29,133,762,5215,41257,369032,3676209, 40333241,483094250,6271446691,87705811341, 1314473334832,21017294666173,357096406209005, 6424799978507178,122024623087820183, 2439706330834135361,51219771117454755544] |