n | a(n) |
---|---|
0 | 1 |
1 | -5 |
2 | 21 |
3 | -89 |
4 | 377 |
5 | -1597 |
6 | 6765 |
7 | -28657 |
8 | 121393 |
9 | -514229 |
10 | 2178309 |
11 | -9227465 |
12 | 39088169 |
13 | -165580141 |
14 | 701408733 |
15 | -2971215073 |
16 | 12586269025 |
17 | -53316291173 |
18 | 225851433717 |
19 | -956722026041 |
20 | 4052739537881 |
21 | -17167680177565 |
22 | 72723460248141 |
23 | -308061521170129 |
24 | 1304969544928657 |
[1,-5,21,-89,377,-1597,6765,-28657,121393,-514229, 2178309,-9227465,39088169,-165580141,701408733, -2971215073,12586269025,-53316291173,225851433717, -956722026041,4052739537881,-17167680177565, 72723460248141,-308061521170129,1304969544928657] |