n | a(n) |
---|---|
1 | 1 |
2 | -4 |
3 | 10 |
4 | -20 |
5 | 39 |
6 | -76 |
7 | 140 |
8 | -244 |
9 | 415 |
10 | -696 |
11 | 1140 |
12 | -1820 |
13 | 2861 |
14 | -4448 |
15 | 6816 |
16 | -10292 |
17 | 15372 |
18 | -22756 |
19 | 33356 |
20 | -48408 |
21 | 69683 |
22 | -99600 |
23 | 141312 |
24 | -199036 |
25 | 278557 |
26 | -387608 |
27 | 536230 |
28 | -737632 |
29 | 1009464 |
30 | -1374888 |
31 | 1863764 |
32 | -2514868 |
33 | 3378948 |
34 | -4521672 |
35 | 6027000 |
36 | -8002676 |
[1,-4,10,-20,39,-76,140,-244,415,-696,1140,-1820, 2861,-4448,6816,-10292,15372,-22756,33356,-48408, 69683,-99600,141312,-199036,278557,-387608,536230, -737632,1009464,-1374888,1863764,-2514868,3378948, -4521672,6027000,-8002676] |