n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -1 |
3 | -6 |
4 | -15 |
5 | 0 |
6 | 183 |
7 | 1162 |
8 | 4305 |
9 | 4032 |
10 | -75169 |
11 | -720390 |
12 | -4057119 |
13 | -13316160 |
14 | 17994039 |
15 | 691795018 |
16 | 6706003809 |
17 | 45159313536 |
18 | 210202685567 |
19 | 247239745914 |
20 | -8759676926319 |
21 | -137896385117568 |
22 | -1415069646671241 |
[1,0,-1,-6,-15,0,183,1162,4305,4032,-75169, -720390,-4057119,-13316160,17994039,691795018, 6706003809,45159313536,210202685567,247239745914, -8759676926319,-137896385117568,-1415069646671241] |