Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 0 |
4 | -2 |
5 | 4 |
6 | 0 |
7 | -24 |
8 | 68 |
9 | 20 |
10 | -936 |
11 | 3800 |
12 | -2172 |
13 | -64120 |
14 | 417752 |
15 | -959852 |
16 | -5464092 |
17 | 68816400 |
18 | -328509112 |
19 | 8361828 |
20 | 13473157664 |
21 | -119068537700 |
22 | 448312242012 |
23 | 1868795480588 |
24 | -43889516937276 |
25 | 348963546501928 |
26 | -1006637409183472 |
27 | -12316833304447344 |
28 | 217304253286437480 |
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