n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 82 |
5 | 514 |
6 | 2508 |
7 | -12328 |
8 | -820752 |
9 | -22232232 |
10 | -498433320 |
11 | -9865850688 |
12 | -159373484448 |
13 | -1136343398880 |
14 | 65056426313760 |
15 | 4663237803223680 |
16 | 210535052582008320 |
17 | 7821007002377349120 |
18 | 242387957802121971840 |
19 | 5333182310844833642496 |
[1,1,3,14,82,514,2508,-12328,-820752,-22232232, -498433320,-9865850688,-159373484448, -1136343398880,65056426313760,4663237803223680, 210535052582008320,7821007002377349120, 242387957802121971840,5333182310844833642496] |