n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -2 |
3 | -3 |
4 | -10 |
5 | -19 |
6 | -42 |
7 | -83 |
8 | -170 |
9 | -339 |
10 | -682 |
11 | -1363 |
12 | -2730 |
13 | -5459 |
14 | -10922 |
15 | -21843 |
16 | -43690 |
17 | -87379 |
18 | -174762 |
19 | -349523 |
20 | -699050 |
21 | -1398099 |
22 | -2796202 |
23 | -5592403 |
24 | -11184810 |
25 | -22369619 |
26 | -44739242 |
27 | -89478483 |
28 | -178956970 |
29 | -357913939 |
30 | -715827882 |
31 | -1431655763 |
[0,1,-2,-3,-10,-19,-42,-83,-170,-339,-682,-1363, -2730,-5459,-10922,-21843,-43690,-87379,-174762, -349523,-699050,-1398099,-2796202,-5592403, -11184810,-22369619,-44739242,-89478483, -178956970,-357913939,-715827882,-1431655763] |