n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 28 |
3 | -96 |
4 | 1328 |
5 | -4672 |
6 | 33472 |
7 | -121856 |
8 | 3597056 |
9 | -13417472 |
10 | 33655808 |
11 | -127508480 |
12 | 5829259264 |
13 | -22308732928 |
14 | 171393728512 |
15 | -660468137984 |
16 | 40831182635008 |
17 | -22589996269568 |
18 | 175323994652672 |
19 | -681560447647744 |
[1,-4,28,-96,1328,-4672,33472,-121856,3597056, -13417472,33655808,-127508480,5829259264, -22308732928,171393728512,-660468137984, 40831182635008,-22589996269568,175323994652672, -681560447647744] |