n | a(n) |
---|---|
0 | 1 |
1 | -16 |
2 | 97 |
3 | -531 |
4 | 3148 |
5 | -20940 |
6 | 156680 |
7 | -1310840 |
8 | 12166096 |
9 | -124281120 |
10 | 1387313520 |
11 | -16813355280 |
12 | 219967479744 |
13 | -3090914335104 |
14 | 46439677053120 |
15 | -743069262651840 |
16 | 12616998421804416 |
17 | -226608929801923968 |
18 | 4292762009479969536 |
19 | -85545808260446050560 |
20 | 1789078468694176410624 |
[1,-16,97,-531,3148,-20940,156680,-1310840, 12166096,-124281120,1387313520,-16813355280, 219967479744,-3090914335104,46439677053120, -743069262651840,12616998421804416, -226608929801923968,4292762009479969536, -85545808260446050560,1789078468694176410624] |