n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -2 |
3 | -8 |
4 | -32 |
5 | -128 |
6 | 1024 |
7 | 16384 |
8 | 262144 |
9 | 4194304 |
10 | -134217728 |
11 | -8589934592 |
12 | -549755813888 |
13 | -35184372088832 |
14 | 4503599627370496 |
15 | 1152921504606846976 |
16 | 295147905179352825856 |
17 | 75557863725914323419136 |
18 | -38685626227668133590597632 |
19 | -39614081257132168796771975168 |
[1,1,-2,-8,-32,-128,1024,16384,262144,4194304, -134217728,-8589934592,-549755813888, -35184372088832,4503599627370496, 1152921504606846976,295147905179352825856, 75557863725914323419136, -38685626227668133590597632, -39614081257132168796771975168] |