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 | -7 |
4 | 49 |
5 | -301 |
6 | 3001 |
7 | -26251 |
8 | 280897 |
9 | -4040569 |
10 | 52124401 |
11 | -749335951 |
12 | 12646748401 |
13 | -215856019237 |
14 | 4053285942889 |
15 | -82462867482451 |
16 | 1728838444704001 |
17 | -38850070313151601 |
18 | 922947645744036577 |
19 | -22864122050534606359 |
20 | 599150979583749111601 |
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