n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 0 |
3 | -2 |
4 | 1 |
5 | -2 |
6 | 3 |
7 | -3 |
8 | 6 |
9 | -8 |
10 | 14 |
11 | -10 |
12 | 28 |
13 | -26 |
14 | 41 |
15 | -73 |
16 | 90 |
17 | -112 |
18 | 155 |
19 | -221 |
20 | 288 |
21 | -501 |
22 | 560 |
23 | -799 |
24 | 1153 |
25 | -1610 |
26 | 1953 |
27 | -3095 |
28 | 4073 |
29 | -5224 |
30 | 7295 |
31 | -9536 |
32 | 13536 |
33 | -18402 |
34 | 24757 |
35 | -32936 |
36 | 48714 |
37 | -60790 |
38 | 82101 |
39 | -113247 |
40 | 153330 |
41 | -201522 |
42 | 275713 |
43 | -367041 |
44 | 492991 |
[1,-1,0,-2,1,-2,3,-3,6,-8,14,-10,28,-26,41,-73,90, -112,155,-221,288,-501,560,-799,1153,-1610,1953, -3095,4073,-5224,7295,-9536,13536,-18402,24757, -32936,48714,-60790,82101,-113247,153330,-201522, 275713,-367041,492991] |