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) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 15 |
| 4 | 78 |
| 5 | 765 |
| 6 | 16521 |
| 7 | 708805 |
| 8 | 40964223 |
| 9 | 4776371282 |
| 10 | 1079598223972 |
[0,3,15,78,765,16521,708805,40964223,4776371282, 1079598223972] |