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 | 1 |
| 1 | 15 |
| 2 | 680 |
| 3 | 49848 |
| 4 | 39571482 |
| 5 | 129352191161 |
[1,15,680,49848,39571482,129352191161] |