n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 2 |
3 | -6 |
4 | 14 |
5 | -20 |
6 | 32 |
7 | -60 |
8 | 98 |
9 | -150 |
10 | 232 |
11 | -360 |
12 | 558 |
13 | -828 |
14 | 1196 |
15 | -1776 |
16 | 2614 |
17 | -3700 |
18 | 5238 |
19 | -7480 |
20 | 10516 |
21 | -14592 |
22 | 20180 |
23 | -27832 |
24 | 38216 |
25 | -51970 |
26 | 70184 |
27 | -94842 |
28 | 127612 |
29 | -170140 |
30 | 226164 |
31 | -300324 |
32 | 396754 |
33 | -521520 |
34 | 683484 |
35 | -893432 |
36 | 1164330 |
37 | -1511188 |
38 | 1954756 |
39 | -2524188 |
[1,-2,2,-6,14,-20,32,-60,98,-150,232,-360,558, -828,1196,-1776,2614,-3700,5238,-7480,10516, -14592,20180,-27832,38216,-51970,70184,-94842, 127612,-170140,226164,-300324,396754,-521520, 683484,-893432,1164330,-1511188,1954756,-2524188] |