n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -1 |
3 | -1 |
4 | -1 |
5 | 13 |
6 | 7951 |
7 | 21599 |
8 | -294997 |
9 | -275833 |
10 | -60527057 |
11 | -6338125867 |
12 | 37620769159 |
13 | 10425684579701 |
14 | 5113538085001361 |
15 | -25594556368763237 |
16 | -6013201989263028181 |
17 | -3771502911169983097219 |
18 | 18335649295377317231411 |
19 | 669255665793644548301365603 |
[1,0,-1,-1,-1,13,7951,21599,-294997,-275833, -60527057,-6338125867,37620769159,10425684579701, 5113538085001361,-25594556368763237, -6013201989263028181,-3771502911169983097219, 18335649295377317231411, 669255665793644548301365603] |