n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 2 |
3 | -2 |
4 | 4 |
5 | -10 |
6 | 22 |
7 | -44 |
8 | 86 |
9 | -170 |
10 | 340 |
11 | -682 |
12 | 1366 |
13 | -2732 |
14 | 5462 |
15 | -10922 |
16 | 21844 |
17 | -43690 |
18 | 87382 |
19 | -174764 |
20 | 349526 |
21 | -699050 |
22 | 1398100 |
23 | -2796202 |
24 | 5592406 |
25 | -11184812 |
26 | 22369622 |
27 | -44739242 |
28 | 89478484 |
29 | -178956970 |
30 | 357913942 |
31 | -715827884 |
32 | 1431655766 |
33 | -2863311530 |
[1,-2,2,-2,4,-10,22,-44,86,-170,340,-682,1366, -2732,5462,-10922,21844,-43690,87382,-174764, 349526,-699050,1398100,-2796202,5592406,-11184812, 22369622,-44739242,89478484,-178956970,357913942, -715827884,1431655766,-2863311530] |