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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 16 |
| 6 | 70 |
| 7 | 411 |
| 8 | 4085 |
| 9 | 76660 |
| 10 | 2920668 |
[1,2,3,6,16,70,411,4085,76660,2920668] |