n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 4 |
3 | -9 |
4 | 19 |
5 | -41 |
6 | 88 |
7 | -189 |
8 | 406 |
9 | -872 |
10 | 1873 |
11 | -4023 |
12 | 8641 |
13 | -18560 |
14 | 39865 |
15 | -85626 |
16 | 183916 |
17 | -395033 |
18 | 848491 |
19 | -1822473 |
20 | 3914488 |
21 | -8407925 |
22 | 18059374 |
23 | -38789712 |
24 | 83316385 |
25 | -178955183 |
26 | 384377665 |
27 | -825604416 |
28 | 1773314929 |
29 | -3808901426 |
30 | 8181135700 |
31 | -17572253481 |
32 | 37743426307 |
33 | -81069068969 |
[1,-2,4,-9,19,-41,88,-189,406,-872,1873,-4023, 8641,-18560,39865,-85626,183916,-395033,848491, -1822473,3914488,-8407925,18059374,-38789712, 83316385,-178955183,384377665,-825604416, 1773314929,-3808901426,8181135700,-17572253481, 37743426307,-81069068969] |