Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | -1 |
4 | 0 |
5 | 49 |
6 | -165 |
7 | -393 |
8 | -504 |
9 | 70785 |
10 | -434385 |
11 | -517265 |
12 | -12647976 |
13 | 654552625 |
14 | -6276987717 |
15 | 18362076327 |
16 | -636272644560 |
17 | 22683808563841 |
18 | -312594994151361 |
19 | 2817355930176479 |
20 | -72112751626318640 |
21 | 2222078368780722865 |
[0,1,-1,-1,0,49,-165,-393,-504,70785,-434385, -517265,-12647976,654552625,-6276987717, 18362076327,-636272644560,22683808563841, -312594994151361,2817355930176479, -72112751626318640,2222078368780722865] |