n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | -12 |
3 | 56 |
4 | 80 |
5 | -1056 |
6 | 832 |
7 | 15232 |
8 | -43776 |
9 | -156160 |
10 | 1012736 |
11 | 473088 |
12 | -17149952 |
13 | 26730496 |
14 | 220938240 |
15 | -869564416 |
16 | -1795883008 |
17 | 17504796672 |
18 | -6275465216 |
19 | -267525816320 |
20 | 635459076096 |
21 | 3009494908928 |
22 | -16186335035392 |
23 | -15779248472064 |
24 | 290539857510400 |
[1,-2,-12,56,80,-1056,832,15232,-43776,-156160, 1012736,473088,-17149952,26730496,220938240, -869564416,-1795883008,17504796672,-6275465216, -267525816320,635459076096,3009494908928, -16186335035392,-15779248472064,290539857510400] |