The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | -4 |
| 2 | -116 |
| 3 | -340 |
| 4 | -356 |
| 5 | -1076 |
| 6 | -51836 |
| 7 | -172 |
| 8 | 188 |
| 9 | -201004 |
| 10 | 686564 |
| 11 | -3423572 |
| 12 | 945336244 |
| 13 | -34212700 |
| 14 | 94997798876 |
| 15 | -34463365906052 |
| 16 | 30837284134268 |
| 17 | -10310751433852 |
| 18 | 105261086212083404572 |
| 19 | -11719975655366668 |
| 20 | 1044330873985795459924 |
| 21 | -6080390575672283355244 |
[0,-4,-116,-340,-356,-1076,-51836,-172,188, -201004,686564,-3423572,945336244,-34212700, 94997798876,-34463365906052,30837284134268, -10310751433852,105261086212083404572, -11719975655366668,1044330873985795459924, -6080390575672283355244] |