Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | 9 |
4 | -16 |
5 | 105 |
6 | -336 |
7 | 1513 |
8 | -5712 |
9 | 23529 |
10 | -92752 |
11 | 373737 |
12 | -1489488 |
13 | 5968873 |
14 | -23853648 |
15 | 95458281 |
16 | -381745744 |
17 | 1527157737 |
18 | -6108281424 |
19 | 24433824745 |
20 | -97733900880 |
21 | 390938399721 |
22 | -1563748006480 |
[0,1,0,9,-16,105,-336,1513,-5712,23529,-92752, 373737,-1489488,5968873,-23853648,95458281, -381745744,1527157737,-6108281424,24433824745, -97733900880,390938399721,-1563748006480] |