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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 56 |
| 4 | 4899 |
| 5 | 797680 |
| 6 | 269282132 |
| 7 | 197805084468 |
| 8 | 321887622195271 |
| 9 | 1163415729672643756 |
[0,1,56,4899,797680,269282132,197805084468, 321887622195271,1163415729672643756] |