n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 150 |
5 | 1326 |
6 | 12558 |
7 | 124590 |
8 | 1278189 |
9 | 13449205 |
10 | 144342627 |
11 | 1573990275 |
12 | 17389407984 |
13 | 194228357568 |
14 | 2189610888840 |
15 | 24881753664840 |
16 | 284708154606318 |
17 | 3277578288381318 |
18 | 37934510719585350 |
19 | 441152315040444150 |
[1,1,3,19,150,1326,12558,124590,1278189,13449205, 144342627,1573990275,17389407984,194228357568, 2189610888840,24881753664840,284708154606318, 3277578288381318,37934510719585350, 441152315040444150] |