n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -5 |
3 | -13 |
4 | 115 |
5 | 2099 |
6 | 11395 |
7 | -177373 |
8 | -5116685 |
9 | -40481581 |
10 | 948973795 |
11 | 36701972867 |
12 | 375364322515 |
13 | -12090607539661 |
14 | -580544884927805 |
15 | -7188739235243293 |
16 | 301374306966657715 |
17 | 17150539711123411859 |
18 | 246564346727945106595 |
19 | -12988846468460187345853 |
[1,-1,-5,-13,115,2099,11395,-177373,-5116685, -40481581,948973795,36701972867,375364322515, -12090607539661,-580544884927805, -7188739235243293,301374306966657715, 17150539711123411859,246564346727945106595, -12988846468460187345853] |