n | a(n) |
---|---|
4 | 1 |
5 | -5 |
6 | 55 |
7 | -350 |
8 | 3969 |
9 | -31563 |
10 | 408050 |
11 | -3920950 |
12 | 58206676 |
13 | -657328100 |
14 | 11111159696 |
15 | -144321864960 |
16 | 2747845864464 |
17 | -40364369180016 |
18 | 856755330487200 |
19 | -14042902728462624 |
20 | 329258021171239296 |
21 | -5956512800554963584 |
22 | 153050034289602269952 |
23 | -3028534064042216488704 |
24 | 84691080748928315003904 |
[1,-5,55,-350,3969,-31563,408050,-3920950, 58206676,-657328100,11111159696,-144321864960, 2747845864464,-40364369180016,856755330487200, -14042902728462624,329258021171239296, -5956512800554963584,153050034289602269952, -3028534064042216488704,84691080748928315003904] |