n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 9 |
5 | 33 |
6 | 125 |
7 | 503 |
8 | 2083 |
9 | 8867 |
10 | 38477 |
11 | 169711 |
12 | 758369 |
13 | 3426415 |
14 | 15625647 |
15 | 71831229 |
16 | 332509595 |
17 | 1548599571 |
18 | 7251200053 |
19 | 34116127377 |
20 | 161202535685 |
21 | 764648531325 |
22 | 3639748179089 |
23 | 17380544553713 |
24 | 83237451101609 |
[1,1,3,9,33,125,503,2083,8867,38477,169711,758369, 3426415,15625647,71831229,332509595,1548599571, 7251200053,34116127377,161202535685,764648531325, 3639748179089,17380544553713,83237451101609] |