Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -4 |
4 | 28 |
5 | -236 |
6 | 2159 |
7 | -20309 |
8 | 189387 |
9 | -1696165 |
10 | 14092143 |
11 | -103605487 |
12 | 621674576 |
13 | -2503235595 |
14 | 1311059747 |
15 | 58857366823 |
16 | -625935119621 |
17 | 20416246154579 |
18 | -595556154741631 |
19 | 9331660766550500 |
20 | -50486760747953952 |
21 | -816026626910008666 |
[1,1,-4,28,-236,2159,-20309,189387,-1696165, 14092143,-103605487,621674576,-2503235595, 1311059747,58857366823,-625935119621, 20416246154579,-595556154741631,9331660766550500, -50486760747953952,-816026626910008666] |