n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 41 |
5 | 166 |
6 | 777 |
7 | 2472 |
8 | 9781 |
9 | 44506 |
10 | 150953 |
11 | 597334 |
12 | 2661881 |
13 | 9337511 |
14 | 37044451 |
15 | 162468924 |
16 | 582650861 |
17 | 2315651686 |
18 | 10035973071 |
19 | 36558456606 |
20 | 145470310301 |
21 | 624753156831 |
22 | 2302445024223 |
23 | 9169599427426 |
24 | 39098606269531 |
[1,1,3,16,41,166,777,2472,9781,44506,150953, 597334,2661881,9337511,37044451,162468924, 582650861,2315651686,10035973071,36558456606, 145470310301,624753156831,2302445024223, 9169599427426,39098606269531] |