n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -2 |
3 | -2 |
4 | 0 |
5 | 0 |
6 | -12 |
7 | -88 |
8 | -608 |
9 | -4664 |
10 | -40032 |
11 | -381200 |
12 | -3993520 |
13 | -45685472 |
14 | -566975456 |
15 | -7589393568 |
16 | -109019255360 |
17 | -1673050977024 |
18 | -27321358963904 |
19 | -473094230383616 |
20 | -8659054324278528 |
21 | -167044915214322816 |
22 | -3387793305708038400 |
23 | -72061754672510128384 |
[1,0,-2,-2,0,0,-12,-88,-608,-4664,-40032,-381200, -3993520,-45685472,-566975456,-7589393568, -109019255360,-1673050977024,-27321358963904, -473094230383616,-8659054324278528, -167044915214322816,-3387793305708038400, -72061754672510128384] |