n | a(n) |
---|---|
0 | 3 |
1 | 0 |
2 | 6 |
3 | -3 |
4 | 18 |
5 | -15 |
6 | 57 |
7 | -63 |
8 | 186 |
9 | -246 |
10 | 621 |
11 | -924 |
12 | 2109 |
13 | -3393 |
14 | 7251 |
15 | -12288 |
16 | 25146 |
17 | -44115 |
18 | 87726 |
19 | -157491 |
20 | 307293 |
21 | -560199 |
22 | 1079370 |
23 | -1987890 |
24 | 3798309 |
25 | -7043040 |
26 | 13382817 |
27 | -24927429 |
28 | 47191491 |
29 | -88165104 |
30 | 166501902 |
31 | -311686803 |
32 | 587670810 |
33 | -1101562311 |
[3,0,6,-3,18,-15,57,-63,186,-246,621,-924,2109, -3393,7251,-12288,25146,-44115,87726,-157491, 307293,-560199,1079370,-1987890,3798309,-7043040, 13382817,-24927429,47191491,-88165104,166501902, -311686803,587670810,-1101562311] |