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 | -1 |
4 | 25 |
5 | -241 |
6 | 1081 |
7 | -3361 |
8 | 68881 |
9 | -1288225 |
10 | 11828881 |
11 | -69917761 |
12 | 1347298921 |
13 | -36402297361 |
14 | 533785676425 |
15 | -4949573821921 |
16 | 96936811739041 |
17 | -3274354780495681 |
18 | 67608887254849441 |
19 | -885780921100074625 |
20 | 18450482854023522361 |
21 | -718444927697360335921 |
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