n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | -8 |
3 | 70 |
4 | -920 |
5 | -28550 |
6 | 10642900 |
7 | -2554095050 |
8 | 685535422000 |
9 | -219648785612750 |
10 | 84602550046787500 |
11 | -38917136125065331250 |
12 | 21166653214210218325000 |
13 | -13470291608750677967093750 |
[1,4,-8,70,-920,-28550,10642900,-2554095050, 685535422000,-219648785612750,84602550046787500, -38917136125065331250,21166653214210218325000, -13470291608750677967093750] |