n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 75 |
5 | 541 |
6 | 4683 |
7 | 47293 |
8 | 545835 |
9 | 7087261 |
10 | 102247563 |
11 | 1622632573 |
12 | 28091567595 |
13 | 526858348381 |
14 | 10641342970443 |
15 | 230283190977853 |
16 | 5315654681981355 |
17 | 130370767029135900 |
18 | 3385534663256845326 |
[1,1,3,13,75,541,4683,47293,545835,7087261, 102247563,1622632573,28091567595,526858348381, 10641342970443,230283190977853,5315654681981355, 130370767029135900,3385534663256845326] |