n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 15 |
3 | 85 |
4 | 215 |
5 | 1485 |
6 | 2815 |
7 | 26885 |
8 | 29415 |
9 | 508285 |
10 | 80015 |
11 | 10085685 |
12 | -8485385 |
13 | 210199085 |
14 | -379906785 |
15 | 4583888485 |
16 | -12182024185 |
17 | 103859793885 |
18 | -347500277585 |
19 | 2424696155285 |
20 | -9374701706985 |
21 | 57868624812685 |
22 | -245362658952385 |
23 | 1402735155206085 |
24 | -6309988334253785 |
[1,5,15,85,215,1485,2815,26885,29415,508285,80015, 10085685,-8485385,210199085,-379906785,4583888485, -12182024185,103859793885,-347500277585, 2424696155285,-9374701706985,57868624812685, -245362658952385,1402735155206085, -6309988334253785] |