n | a(n) |
---|---|
0 | 3 |
1 | -3 |
2 | 27 |
3 | -99 |
4 | 531 |
5 | -2403 |
6 | 11691 |
7 | -55107 |
8 | 263331 |
9 | -1250883 |
10 | 5957307 |
11 | -28339875 |
12 | 134882739 |
13 | -641835171 |
14 | 3054430539 |
15 | -14535159939 |
16 | 69169849155 |
17 | -329162695299 |
18 | 1566411248475 |
19 | -7454188455651 |
20 | 35472778517331 |
21 | -168806797907427 |
22 | 803312835011307 |
[3,-3,27,-99,531,-2403,11691,-55107,263331, -1250883,5957307,-28339875,134882739,-641835171, 3054430539,-14535159939,69169849155,-329162695299, 1566411248475,-7454188455651,35472778517331, -168806797907427,803312835011307] |