n | a(n) |
---|---|
1 | -8 |
2 | -18 |
3 | -8 |
4 | 318 |
5 | 3352 |
6 | 26142 |
7 | 183112 |
8 | 1216638 |
9 | 7842232 |
10 | 49591902 |
11 | 309595432 |
12 | 1915328958 |
13 | 11771279512 |
14 | 71987413662 |
15 | 438579282952 |
16 | 2664183937278 |
17 | 16146410851192 |
18 | 97676152243422 |
19 | 590010212989672 |
20 | 3559688008961598 |
21 | 21455704973213272 |
22 | 129219894479953182 |
23 | 777738831202779592 |
[-8,-18,-8,318,3352,26142,183112,1216638,7842232, 49591902,309595432,1915328958,11771279512, 71987413662,438579282952,2664183937278, 16146410851192,97676152243422,590010212989672, 3559688008961598,21455704973213272, 129219894479953182,777738831202779592] |