n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 3 |
4 | -11 |
5 | 49 |
6 | -259 |
7 | 1588 |
8 | -11080 |
9 | 86589 |
10 | -747802 |
11 | 7053992 |
12 | -71912477 |
13 | 784301582 |
14 | -9055586513 |
15 | 109372026021 |
16 | -1360474322540 |
17 | 17016798439534 |
18 | -204454843326736 |
19 | 2087851221198112 |
20 | -8301034938962891 |
21 | -481380640245823637 |
[1,1,-1,3,-11,49,-259,1588,-11080,86589,-747802, 7053992,-71912477,784301582,-9055586513, 109372026021,-1360474322540,17016798439534, -204454843326736,2087851221198112, -8301034938962891,-481380640245823637] |