n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | -7 |
4 | 16 |
5 | -36 |
6 | 80 |
7 | -176 |
8 | 384 |
9 | -832 |
10 | 1792 |
11 | -3840 |
12 | 8192 |
13 | -17408 |
14 | 36864 |
15 | -77824 |
16 | 163840 |
17 | -344064 |
18 | 720896 |
19 | -1507328 |
20 | 3145728 |
21 | -6553600 |
22 | 13631488 |
23 | -28311552 |
24 | 58720256 |
25 | -121634816 |
26 | 251658240 |
27 | -520093696 |
28 | 1073741824 |
29 | -2214592512 |
30 | 4563402752 |
31 | -9395240960 |
32 | 19327352832 |
[1,-1,3,-7,16,-36,80,-176,384,-832,1792,-3840, 8192,-17408,36864,-77824,163840,-344064,720896, -1507328,3145728,-6553600,13631488,-28311552, 58720256,-121634816,251658240,-520093696, 1073741824,-2214592512,4563402752,-9395240960, 19327352832] |