Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | -3 |
4 | 4 |
5 | -40 |
6 | 250 |
7 | -1260 |
8 | 14012 |
9 | -133992 |
10 | 1310660 |
11 | -16809980 |
12 | 215083592 |
13 | -2938291200 |
14 | 45330896832 |
15 | -728363224680 |
16 | 12475447944528 |
17 | -230003712851648 |
18 | 4451144492528080 |
19 | -91010462837366448 |
[1,0,1,-3,4,-40,250,-1260,14012,-133992,1310660, -16809980,215083592,-2938291200,45330896832, -728363224680,12475447944528,-230003712851648, 4451144492528080,-91010462837366448] |