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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 28 |
| 7 | 223 |
| 8 | 3151 |
| 9 | 79673 |
| 10 | 3853870 |
[1,1,1,2,5,28,223,3151,79673,3853870] |