Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -2 |
3 | 4 |
4 | -16 |
5 | 96 |
6 | -576 |
7 | 3760 |
8 | -30080 |
9 | 278656 |
10 | -2786560 |
11 | 30298368 |
12 | -363580416 |
13 | 4748913664 |
14 | -66484791296 |
15 | 995368112128 |
16 | -15925889794048 |
17 | 270949991841792 |
18 | -4877099853152256 |
19 | 92635808324780032 |
20 | -1852716166495600640 |
[0,1,-2,4,-16,96,-576,3760,-30080,278656,-2786560, 30298368,-363580416,4748913664,-66484791296, 995368112128,-15925889794048,270949991841792, -4877099853152256,92635808324780032, -1852716166495600640] |