n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 16 |
4 | 353 |
5 | 6535 |
6 | 117764 |
7 | 2114521 |
8 | 37946999 |
9 | 680940352 |
10 | 12219002585 |
11 | 219261167071 |
12 | 3934482164084 |
13 | 70601418203761 |
14 | 1266891046596143 |
15 | 22733437423387120 |
16 | 407934982581860369 |
17 | 7320096249069704311 |
18 | 131353797500724143204 |
19 | 2357048258764099246537 |
[1,-1,16,353,6535,117764,2114521,37946999, 680940352,12219002585,219261167071,3934482164084, 70601418203761,1266891046596143,22733437423387120, 407934982581860369,7320096249069704311, 131353797500724143204,2357048258764099246537] |