n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | 3 |
4 | -8 |
5 | 20 |
6 | -48 |
7 | 112 |
8 | -256 |
9 | 576 |
10 | -1280 |
11 | 2816 |
12 | -6144 |
13 | 13312 |
14 | -28672 |
15 | 61440 |
16 | -131072 |
17 | 278528 |
18 | -589824 |
19 | 1245184 |
20 | -2621440 |
21 | 5505024 |
22 | -11534336 |
23 | 24117248 |
24 | -50331648 |
25 | 104857600 |
26 | -218103808 |
27 | 452984832 |
28 | -939524096 |
29 | 1946157056 |
30 | -4026531840 |
31 | 8321499136 |
32 | -17179869184 |
[0,1,-1,3,-8,20,-48,112,-256,576,-1280,2816,-6144, 13312,-28672,61440,-131072,278528,-589824,1245184, -2621440,5505024,-11534336,24117248,-50331648, 104857600,-218103808,452984832,-939524096, 1946157056,-4026531840,8321499136,-17179869184] |