n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 15 |
4 | 109 |
5 | 1053 |
6 | 12767 |
7 | 186763 |
8 | 3204313 |
9 | 63128665 |
10 | 1404963387 |
11 | 34867190823 |
12 | 954800951749 |
13 | 28600649870133 |
14 | 930325531322519 |
15 | 32658109219519843 |
16 | 1230609634110271921 |
17 | 49545182501048868145 |
[1,1,3,15,109,1053,12767,186763,3204313,63128665, 1404963387,34867190823,954800951749, 28600649870133,930325531322519,32658109219519843, 1230609634110271921,49545182501048868145] |