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 | 6 |
4 | -20 |
5 | 120 |
6 | -872 |
7 | 7056 |
8 | -68000 |
9 | 758400 |
10 | -9460352 |
11 | 130918656 |
12 | -1995073280 |
13 | 33173038080 |
14 | -597457144832 |
15 | 11587651270656 |
16 | -240799724687360 |
17 | 5337660866396160 |
18 | -125711013390221312 |
[0,1,-2,6,-20,120,-872,7056,-68000,758400, -9460352,130918656,-1995073280,33173038080, -597457144832,11587651270656,-240799724687360, 5337660866396160,-125711013390221312] |