n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 6 |
4 | 49 |
5 | 147 |
6 | 2028 |
7 | 8112 |
8 | 159201 |
9 | 796005 |
10 | 20342448 |
11 | 122054688 |
12 | 3850078401 |
13 | 26950548807 |
14 | 1012487793408 |
15 | 8099902347264 |
16 | 353293863908769 |
17 | 3179644775178921 |
18 | 157973407966483200 |
19 | 1579734079664832000 |
20 | 88087149666575064369 |
[1,3,6,49,147,2028,8112,159201,796005,20342448, 122054688,3850078401,26950548807,1012487793408, 8099902347264,353293863908769,3179644775178921, 157973407966483200,1579734079664832000, 88087149666575064369] |