n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 7 |
5 | 27 |
6 | 195 |
7 | 421 |
8 | 1619 |
9 | 8675 |
10 | 105757 |
11 | 274029 |
12 | 1402193 |
13 | 6625987 |
14 | 55349787 |
15 | 975068069 |
16 | 3137395939 |
17 | 17960895375 |
18 | 101880880461 |
19 | 696011551909 |
20 | 7596647200175 |
21 | 197122787505191 |
22 | 723879298052695 |
23 | 4905597865756059 |
24 | 29537689035766501 |
25 | 227793692735075911 |
[1,1,1,5,7,27,195,421,1619,8675,105757,274029, 1402193,6625987,55349787,975068069,3137395939, 17960895375,101880880461,696011551909, 7596647200175,197122787505191,723879298052695, 4905597865756059,29537689035766501, 227793692735075911] |