Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -3 |
3 | -7 |
4 | -15 |
5 | 89 |
6 | 1737 |
7 | 21713 |
8 | 266865 |
9 | 3162089 |
10 | 34737177 |
11 | 352100033 |
12 | 2848598145 |
13 | -7655375911 |
14 | -1359369828183 |
15 | -50221626404047 |
16 | -1460912626424175 |
17 | -39804558811289911 |
18 | -1080962878982246343 |
19 | -29431779044695154527 |
20 | -788320672341728128095 |
21 | -20386762121171790275911 |
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