Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 10 |
4 | -51 |
5 | 556 |
6 | -7085 |
7 | 116376 |
8 | -2263303 |
9 | 51072400 |
10 | -1308626649 |
11 | 37526799520 |
12 | -1190440709051 |
13 | 41385630158016 |
14 | -1564585725985477 |
15 | 63903022429837696 |
16 | -2804097015221308815 |
17 | 131558782973452677376 |
18 | -6571623885587502740657 |
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