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 | -3 |
4 | 12 |
5 | -25 |
6 | -15 |
7 | 623 |
8 | -4592 |
9 | 18909 |
10 | 17595 |
11 | -1233551 |
12 | 13641276 |
13 | -81119597 |
14 | -105681667 |
15 | 10102782675 |
16 | -148962722880 |
17 | 1158387845177 |
18 | 1940315387607 |
19 | -234950313889819 |
20 | 4330346354150860 |
21 | -41597707520306049 |
22 | -85160442362115351 |
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