n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 3 |
4 | 11 |
5 | 50 |
6 | 273 |
7 | 1687 |
8 | 11505 |
9 | 86004 |
10 | 700445 |
11 | 6163751 |
12 | 58148547 |
13 | 584622766 |
14 | 6235669629 |
15 | 70286727435 |
16 | 834288853217 |
17 | 10395375065096 |
18 | 135592878107673 |
19 | 1846897191981835 |
20 | 26212412703559515 |
21 | 386874121137659274 |
22 | 5927186655133112105 |
23 | 94108950154465139807 |
[1,0,1,3,11,50,273,1687,11505,86004,700445, 6163751,58148547,584622766,6235669629,70286727435, 834288853217,10395375065096,135592878107673, 1846897191981835,26212412703559515, 386874121137659274,5927186655133112105, 94108950154465139807] |