n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 9 |
5 | 23 |
6 | 43 |
7 | 113 |
8 | 331 |
9 | 698 |
10 | 1966 |
11 | 4072 |
12 | 11433 |
13 | 23701 |
14 | 66734 |
15 | 205712 |
16 | 459632 |
17 | 1348864 |
18 | 2927822 |
19 | 8499580 |
20 | 26809375 |
21 | 61495590 |
22 | 183946295 |
23 | 408179706 |
24 | 1204202538 |
25 | 2643267587 |
[1,2,5,9,23,43,113,331,698,1966,4072,11433,23701, 66734,205712,459632,1348864,2927822,8499580, 26809375,61495590,183946295,408179706,1204202538, 2643267587] |