Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | -4 |
4 | 12 |
5 | -39 |
6 | 180 |
7 | -1002 |
8 | 6328 |
9 | -44843 |
10 | 351720 |
11 | -3010536 |
12 | 27741780 |
13 | -271232571 |
14 | 2763421388 |
15 | -28565959606 |
16 | 284847059760 |
17 | -2385962778423 |
18 | 5704285264272 |
19 | 489538579791348 |
20 | -19920957108600740 |
21 | 598894765796765521 |
[0,1,0,-4,12,-39,180,-1002,6328,-44843,351720, -3010536,27741780,-271232571,2763421388, -28565959606,284847059760,-2385962778423, 5704285264272,489538579791348,-19920957108600740, 598894765796765521] |