n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 7 |
3 | -31 |
4 | 149 |
5 | -631 |
6 | 475 |
7 | 43210 |
8 | -844727 |
9 | 10960505 |
10 | -86569889 |
11 | -584746911 |
12 | 46302579229 |
13 | -1304510879686 |
14 | 25366896568707 |
15 | -277053418780891 |
16 | -4271166460501743 |
17 | 384590020131637825 |
18 | -14617527176248527545 |
19 | 380117694164438489422 |
20 | -5265650620303861935579 |
[1,-2,7,-31,149,-631,475,43210,-844727,10960505, -86569889,-584746911,46302579229,-1304510879686, 25366896568707,-277053418780891,-4271166460501743, 384590020131637825,-14617527176248527545, 380117694164438489422,-5265650620303861935579] |