Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | -3 |
2 | 2 |
3 | 3 |
4 | 56 |
5 | -360 |
6 | 12420 |
7 | -303030 |
8 | 10226880 |
9 | -381416040 |
10 | 16356484800 |
11 | -781899663600 |
12 | 41374146038400 |
13 | -2397894225620400 |
14 | 151087293619567200 |
15 | -10281399143079546000 |
16 | 751437976013183232000 |
17 | -58702720576973120928000 |
18 | 4881171236699697126048000 |
[0,-3,2,3,56,-360,12420,-303030,10226880, -381416040,16356484800,-781899663600, 41374146038400,-2397894225620400, 151087293619567200,-10281399143079546000, 751437976013183232000,-58702720576973120928000, 4881171236699697126048000] |