n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -1 |
4 | 0 |
5 | 3 |
6 | -9 |
7 | 19 |
8 | -35 |
9 | 63 |
10 | -119 |
11 | 239 |
12 | -495 |
13 | 1023 |
14 | -2079 |
15 | 4158 |
16 | -8239 |
17 | 16247 |
18 | -31823 |
19 | 61402 |
20 | -115291 |
21 | 207669 |
22 | -352715 |
23 | 550429 |
24 | -748143 |
25 | 748143 |
26 | 1 |
27 | -2848367 |
28 | 10897033 |
29 | -30955333 |
30 | 77558760 |
31 | -181129041 |
32 | 404458737 |
33 | -875889377 |
34 | 1855921144 |
35 | -3870685665 |
[1,1,-1,0,3,-9,19,-35,63,-119,239,-495,1023,-2079, 4158,-8239,16247,-31823,61402,-115291,207669, -352715,550429,-748143,748143,1,-2848367,10897033, -30955333,77558760,-181129041,404458737, -875889377,1855921144,-3870685665] |