n | a(n) |
---|---|
1 | -1 |
2 | -1 |
3 | -2 |
4 | -5 |
5 | -14 |
6 | -41 |
7 | -122 |
8 | -365 |
9 | -1094 |
10 | -3281 |
11 | -9842 |
12 | -29525 |
13 | -88574 |
14 | -265721 |
15 | -797162 |
16 | -2391485 |
17 | -7174454 |
18 | -21523361 |
19 | -64570082 |
20 | -193710245 |
21 | -581130734 |
22 | -1743392201 |
23 | -5230176602 |
24 | -15690529805 |
25 | -47071589414 |
26 | -141214768241 |
27 | -423644304722 |
28 | -1270932914165 |
29 | -3812798742494 |
[-1,-1,-2,-5,-14,-41,-122,-365,-1094,-3281,-9842, -29525,-88574,-265721,-797162,-2391485,-7174454, -21523361,-64570082,-193710245,-581130734, -1743392201,-5230176602,-15690529805,-47071589414, -141214768241,-423644304722,-1270932914165, -3812798742494] |