Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | -3 |
4 | 16 |
5 | -50 |
6 | 200 |
7 | -336 |
8 | -6064 |
9 | 116712 |
10 | -1823552 |
11 | 24444200 |
12 | -343290400 |
13 | 4725483984 |
14 | -68637208848 |
15 | 1009375584840 |
16 | -15551178814464 |
17 | 244877850035008 |
18 | -4005060390790656 |
19 | 66944176204337280 |
[0,0,2,-3,16,-50,200,-336,-6064,116712,-1823552, 24444200,-343290400,4725483984,-68637208848, 1009375584840,-15551178814464,244877850035008, -4005060390790656,66944176204337280] |