n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -4 |
3 | -9 |
4 | 160 |
5 | 1350 |
6 | -14904 |
7 | -335160 |
8 | 1796096 |
9 | 125615448 |
10 | 204300000 |
11 | -64591072920 |
12 | -735003528192 |
13 | 41673388751280 |
14 | 1113912529707264 |
15 | -30043364514345000 |
16 | -1703374149711298560 |
17 | 17822402097051182400 |
18 | 2856178489894627203072 |
19 | 12394040043610922716800 |
20 | -5255899207995216384000000 |
[1,0,-4,-9,160,1350,-14904,-335160,1796096, 125615448,204300000,-64591072920,-735003528192, 41673388751280,1113912529707264, -30043364514345000,-1703374149711298560, 17822402097051182400,2856178489894627203072, 12394040043610922716800, -5255899207995216384000000] |