n | a(n) |
---|---|
0 | 0 |
1 | -1 |
2 | 0 |
3 | -2 |
4 | 1 |
5 | -4 |
6 | 4 |
7 | -9 |
8 | 12 |
9 | -22 |
10 | 33 |
11 | -56 |
12 | 88 |
13 | -145 |
14 | 232 |
15 | -378 |
16 | 609 |
17 | -988 |
18 | 1596 |
19 | -2585 |
20 | 4180 |
21 | -6766 |
22 | 10945 |
23 | -17712 |
24 | 28656 |
25 | -46369 |
26 | 75024 |
27 | -121394 |
28 | 196417 |
29 | -317812 |
30 | 514228 |
31 | -832041 |
32 | 1346268 |
33 | -2178310 |
34 | 3524577 |
35 | -5702888 |
36 | 9227464 |
37 | -14930353 |
38 | 24157816 |
39 | -39088170 |
40 | 63245985 |
41 | -102334156 |
42 | 165580140 |
43 | -267914297 |
44 | 433494436 |
45 | -701408734 |
46 | 1134903169 |
47 | -1836311904 |
48 | 2971215072 |
49 | -4807526977 |
50 | 7778742048 |
[0,-1,0,-2,1,-4,4,-9,12,-22,33,-56,88,-145,232, -378,609,-988,1596,-2585,4180,-6766,10945,-17712, 28656,-46369,75024,-121394,196417,-317812,514228, -832041,1346268,-2178310,3524577,-5702888,9227464, -14930353,24157816,-39088170,63245985,-102334156, 165580140,-267914297,433494436,-701408734, 1134903169,-1836311904,2971215072,-4807526977, 7778742048] |