Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 4 |
4 | -19 |
5 | 160 |
6 | -1405 |
7 | 17920 |
8 | -231175 |
9 | 3942400 |
10 | -67260025 |
11 | 1435033600 |
12 | -30485899675 |
13 | 780658278400 |
14 | -19861319603125 |
15 | 593300291584000 |
16 | -17590824363487375 |
17 | 600419895083008000 |
18 | -20332162643728560625 |
19 | 780545863607910400000 |
20 | -29725015420426543091875 |
21 | 1267606482499246489600000 |
[1,1,-1,4,-19,160,-1405,17920,-231175,3942400, -67260025,1435033600,-30485899675,780658278400, -19861319603125,593300291584000, -17590824363487375,600419895083008000, -20332162643728560625,780545863607910400000, -29725015420426543091875, 1267606482499246489600000] |