n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 3 |
6 | 5 |
7 | 38 |
8 | 126 |
9 | 763 |
10 | 3133 |
11 | 16238 |
12 | 73471 |
13 | 351014 |
14 | 1598928 |
15 | 7535811 |
16 | 34241961 |
17 | 158047447 |
18 | 707980011 |
19 | 3201074948 |
20 | 14163106405 |
21 | 62844039157 |
22 | 274433474196 |
23 | 1196984190795 |
[1,1,1,1,3,5,38,126,763,3133,16238,73471,351014, 1598928,7535811,34241961,158047447,707980011, 3201074948,14163106405,62844039157,274433474196, 1196984190795] |